-
Desmarais, N.: Data preparation for electronic publications (1998)
0.17
0.17237163 = product of:
0.34474325 = sum of:
0.34474325 = sum of:
0.2340777 = weight(_text_:dokumente in 4702) [ClassicSimilarity], result of:
0.2340777 = score(doc=4702,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.9003137 = fieldWeight in 4702, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.125 = fieldNorm(doc=4702)
0.11066554 = weight(_text_:22 in 4702) [ClassicSimilarity], result of:
0.11066554 = score(doc=4702,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.61904186 = fieldWeight in 4702, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=4702)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Source
- Advances in librarianship. 22(1998), S.59-75
-
Pavelsek, M.J.: Guidelines for evaluating e-journal providers with applications to JSTOR and project Muse (1998)
0.15
0.15082517 = product of:
0.30165035 = sum of:
0.30165035 = sum of:
0.204818 = weight(_text_:dokumente in 4701) [ClassicSimilarity], result of:
0.204818 = score(doc=4701,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.78777444 = fieldWeight in 4701, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.109375 = fieldNorm(doc=4701)
0.09683234 = weight(_text_:22 in 4701) [ClassicSimilarity], result of:
0.09683234 = score(doc=4701,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.5416616 = fieldWeight in 4701, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=4701)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Source
- Advances in librarianship. 22(1998), S.39-57
-
Simmonds, A.: ¬The 21st century ISBN (1997)
0.11
0.107732266 = product of:
0.21546453 = sum of:
0.21546453 = sum of:
0.14629857 = weight(_text_:dokumente in 1705) [ClassicSimilarity], result of:
0.14629857 = score(doc=1705,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.56269604 = fieldWeight in 1705, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.078125 = fieldNorm(doc=1705)
0.06916596 = weight(_text_:22 in 1705) [ClassicSimilarity], result of:
0.06916596 = score(doc=1705,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.38690117 = fieldWeight in 1705, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=1705)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Source
- Bookseller. 1997, no.4798, S.20-22
-
Digital Object Identifiers (1998)
0.11
0.107732266 = product of:
0.21546453 = sum of:
0.21546453 = sum of:
0.14629857 = weight(_text_:dokumente in 1903) [ClassicSimilarity], result of:
0.14629857 = score(doc=1903,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.56269604 = fieldWeight in 1903, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.078125 = fieldNorm(doc=1903)
0.06916596 = weight(_text_:22 in 1903) [ClassicSimilarity], result of:
0.06916596 = score(doc=1903,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.38690117 = fieldWeight in 1903, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=1903)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Source
- Online and CD-ROM review. 22(1998) no.2, S.115-118
-
Cochenour, D.: Linking remote users and information : cataloguing Internet publications (1994)
0.09
0.08618581 = product of:
0.17237163 = sum of:
0.17237163 = sum of:
0.11703885 = weight(_text_:dokumente in 2170) [ClassicSimilarity], result of:
0.11703885 = score(doc=2170,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.45015684 = fieldWeight in 2170, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.0625 = fieldNorm(doc=2170)
0.05533277 = weight(_text_:22 in 2170) [ClassicSimilarity], result of:
0.05533277 = score(doc=2170,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.30952093 = fieldWeight in 2170, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=2170)
0.5 = coord(1/2)
- Date
- 17.10.1995 18:22:54
- Form
- Elektronische Dokumente
-
Martin, G.: Control of electronic resources in Australia (1996)
0.09
0.08618581 = product of:
0.17237163 = sum of:
0.17237163 = sum of:
0.11703885 = weight(_text_:dokumente in 5107) [ClassicSimilarity], result of:
0.11703885 = score(doc=5107,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.45015684 = fieldWeight in 5107, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.0625 = fieldNorm(doc=5107)
0.05533277 = weight(_text_:22 in 5107) [ClassicSimilarity], result of:
0.05533277 = score(doc=5107,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.30952093 = fieldWeight in 5107, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=5107)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Series
- Cataloging and classification quarterly; vol.22, nos.3/4
-
Brugger, J.M.: Cataloging for digital libraries (1996)
0.09
0.08618581 = product of:
0.17237163 = sum of:
0.17237163 = sum of:
0.11703885 = weight(_text_:dokumente in 6732) [ClassicSimilarity], result of:
0.11703885 = score(doc=6732,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.45015684 = fieldWeight in 6732, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.0625 = fieldNorm(doc=6732)
0.05533277 = weight(_text_:22 in 6732) [ClassicSimilarity], result of:
0.05533277 = score(doc=6732,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.30952093 = fieldWeight in 6732, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=6732)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Series
- Cataloging and classification quarterly; vol.22, nos.3/4
-
Chang, H.-Y.: Cataloguing electronic resources (1997)
0.09
0.08618581 = product of:
0.17237163 = sum of:
0.17237163 = sum of:
0.11703885 = weight(_text_:dokumente in 1770) [ClassicSimilarity], result of:
0.11703885 = score(doc=1770,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.45015684 = fieldWeight in 1770, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.0625 = fieldNorm(doc=1770)
0.05533277 = weight(_text_:22 in 1770) [ClassicSimilarity], result of:
0.05533277 = score(doc=1770,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.30952093 = fieldWeight in 1770, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=1770)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Source
- DLA bulletin. 17(1997) no.1, S.22-24
-
Seaman, D.M.: Selection, access, and control in a library of electronic texts (1996)
0.08
0.07541259 = product of:
0.15082517 = sum of:
0.15082517 = sum of:
0.102409 = weight(_text_:dokumente in 6733) [ClassicSimilarity], result of:
0.102409 = score(doc=6733,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.39388722 = fieldWeight in 6733, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.0546875 = fieldNorm(doc=6733)
0.04841617 = weight(_text_:22 in 6733) [ClassicSimilarity], result of:
0.04841617 = score(doc=6733,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.2708308 = fieldWeight in 6733, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=6733)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Series
- Cataloging and classification quarterly; vol.22, nos.3/4
-
Mandel, C.A.; Wolven, R.: Intellectual access to digital documents : joining proven principles with new technologies (1996)
0.08
0.07541259 = product of:
0.15082517 = sum of:
0.15082517 = sum of:
0.102409 = weight(_text_:dokumente in 6740) [ClassicSimilarity], result of:
0.102409 = score(doc=6740,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.39388722 = fieldWeight in 6740, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.0546875 = fieldNorm(doc=6740)
0.04841617 = weight(_text_:22 in 6740) [ClassicSimilarity], result of:
0.04841617 = score(doc=6740,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.2708308 = fieldWeight in 6740, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=6740)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Series
- Cataloging and classification quarterly; vol.22, nos.3/4
-
Davies-Brown, B.; Williamson, D.: Cataloging at the Library of Congress in the digital age (1996)
0.08
0.07541259 = product of:
0.15082517 = sum of:
0.15082517 = sum of:
0.102409 = weight(_text_:dokumente in 2118) [ClassicSimilarity], result of:
0.102409 = score(doc=2118,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.39388722 = fieldWeight in 2118, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.0546875 = fieldNorm(doc=2118)
0.04841617 = weight(_text_:22 in 2118) [ClassicSimilarity], result of:
0.04841617 = score(doc=2118,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.2708308 = fieldWeight in 2118, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=2118)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Series
- Cataloging and classification quarterly; vol.22, nos.3/4
-
Dillon, M.; Jul, E.: Cataloging Internet resources : the convergence of libraries and Internet resources (1996)
0.08
0.07541259 = product of:
0.15082517 = sum of:
0.15082517 = sum of:
0.102409 = weight(_text_:dokumente in 602) [ClassicSimilarity], result of:
0.102409 = score(doc=602,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.39388722 = fieldWeight in 602, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.0546875 = fieldNorm(doc=602)
0.04841617 = weight(_text_:22 in 602) [ClassicSimilarity], result of:
0.04841617 = score(doc=602,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.2708308 = fieldWeight in 602, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=602)
0.5 = coord(1/2)
- Source
- Cataloging and classification quarterly. 22(1996) nos.3/4, S.197-238
- Theme
- Elektronische Dokumente
-
McMillan, G.: Electronic theses and dissertations : merging perspectives (1996)
0.06
0.06463936 = product of:
0.12927872 = sum of:
0.12927872 = sum of:
0.08777914 = weight(_text_:dokumente in 5736) [ClassicSimilarity], result of:
0.08777914 = score(doc=5736,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.33761764 = fieldWeight in 5736, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.046875 = fieldNorm(doc=5736)
0.041499574 = weight(_text_:22 in 5736) [ClassicSimilarity], result of:
0.041499574 = score(doc=5736,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.23214069 = fieldWeight in 5736, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=5736)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Series
- Cataloging and classification quarterly; vol.22, nos.3/4
-
Collis, B.: ¬The evaluation of electronic books (1991)
0.06
0.058519427 = product of:
0.11703885 = sum of:
0.11703885 = product of:
0.2340777 = sum of:
0.2340777 = weight(_text_:dokumente in 6867) [ClassicSimilarity], result of:
0.2340777 = score(doc=6867,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.9003137 = fieldWeight in 6867, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.125 = fieldNorm(doc=6867)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
-
Tong, R.; Kelm, E.J.: Text categorization : computer-based indexing of electronic documents (1995)
0.06
0.058519427 = product of:
0.11703885 = sum of:
0.11703885 = product of:
0.2340777 = sum of:
0.2340777 = weight(_text_:dokumente in 6846) [ClassicSimilarity], result of:
0.2340777 = score(doc=6846,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.9003137 = fieldWeight in 6846, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.125 = fieldNorm(doc=6846)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
-
Electronic resources : selection and bibliograhic control (1996)
0.05
0.053866133 = product of:
0.107732266 = sum of:
0.107732266 = sum of:
0.073149286 = weight(_text_:dokumente in 5582) [ClassicSimilarity], result of:
0.073149286 = score(doc=5582,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.28134802 = fieldWeight in 5582, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.0390625 = fieldNorm(doc=5582)
0.03458298 = weight(_text_:22 in 5582) [ClassicSimilarity], result of:
0.03458298 = score(doc=5582,freq=2.0), product of:
0.17876907 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05105019 = queryNorm
0.19345059 = fieldWeight in 5582, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=5582)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
- Series
- Cataloging and classification quarterly; vol.22, nos.3/4
-
Hazan, D.; Horrell, J.; Merril-Oldham, J.: Selecting research collections for digitization (1998)
0.05
0.0512045 = product of:
0.102409 = sum of:
0.102409 = product of:
0.204818 = sum of:
0.204818 = weight(_text_:dokumente in 2367) [ClassicSimilarity], result of:
0.204818 = score(doc=2367,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.78777444 = fieldWeight in 2367, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.109375 = fieldNorm(doc=2367)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
-
Byrum, J.D.: ISBD(ER) : an overview (1999)
0.05
0.0512045 = product of:
0.102409 = sum of:
0.102409 = product of:
0.204818 = sum of:
0.204818 = weight(_text_:dokumente in 6807) [ClassicSimilarity], result of:
0.204818 = score(doc=6807,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.78777444 = fieldWeight in 6807, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.109375 = fieldNorm(doc=6807)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
-
Sandberg-Fox, A.: Principal changes in the ISBD(ER) (1999)
0.05
0.0512045 = product of:
0.102409 = sum of:
0.102409 = product of:
0.204818 = sum of:
0.204818 = weight(_text_:dokumente in 6810) [ClassicSimilarity], result of:
0.204818 = score(doc=6810,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.78777444 = fieldWeight in 6810, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.109375 = fieldNorm(doc=6810)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Form
- Elektronische Dokumente
-
Digitales Schloß (1994)
0.04
0.04388957 = product of:
0.08777914 = sum of:
0.08777914 = product of:
0.17555828 = sum of:
0.17555828 = weight(_text_:dokumente in 8443) [ClassicSimilarity], result of:
0.17555828 = score(doc=8443,freq=2.0), product of:
0.25999573 = queryWeight, product of:
5.092943 = idf(docFreq=737, maxDocs=44218)
0.05105019 = queryNorm
0.6752353 = fieldWeight in 8443, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.092943 = idf(docFreq=737, maxDocs=44218)
0.09375 = fieldNorm(doc=8443)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Content
- Darstellung der Vorhaben der Library of Congress, den Bestand der Bibliothek als elektronisch erfaßte Dokumente über Datennetze anzubieten