-
Maron, M.E.; Kuhns, I.L.: On relevance, probabilistic indexing and information retrieval (1960)
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- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.39-46.
-
Tomlinson, H.: Report on work for new general classification scheme (1969)
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- Pages
- S.29-41
-
Coates, E.J.: CRG proposals for a new general classification (1969)
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- Pages
- S.19-22
-
Barden, B.R.; Denison, B.: Guide to the SLA loan collection of classification schemes and subject heading lists on deposit at Western Reserve Univ. as of March 20, 1961 (1961)
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- Footnote
- Rez. in: College and research libraries 22(1961) no.6, S.483-484 (A.R. Lindsay)
-
Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960)
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- Footnote
- Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)
-
Gordon, T.J.; Helmer-Hirschberg, O.: Report on a long-range forecasting study (1964)
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- Date
- 22. 6.2018 13:24:08
22. 6.2018 13:54:52
-
Mooers, C.: ¬The indexing language of an information retrieval system (1963)
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- Source
- Information retrieval today: papers presented at an Institute conducted by the Library School and the Cetre for Continuation Study, University of Minnesota, Sept. 19-22, 1962. Ed. by. Wesley Simonton
-
Tait, J.A.: Authors and titles : an analytical study of the author concept in codes of cataloguing rules in the English language, from that of the British Museum in 1841 to the Anglo-American Cataloguing Rules 1967 (1969)
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- Date
- 14. 8.2008 19:29:39
-
Statement of principles (1961)
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- Date
- 5.12.2016 16:29:48
-
Blagden, J.F.: How much noise in a role-free and link-free co-ordinate indexing system? (1966)
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- Source
- Journal of documentation. 22(1966), S.203-209
-
Taylor, R.S.: Question negotiation and information seeking in libraries (1968)
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- Source
- College and research libraries. 29(1968) no.3, S.178-194
-
Austin, D.: Prospects for a new general classification (1969)
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- Date
- 10.10.2014 18:17:29