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Bellardo, T.: Scientific research in online retrieval : a critical review (1981)
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- Source
- Library research. 2(1981), S.231-237
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Bellardo, T.: Subject indexing : an introductory guide (1991)
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- Footnote
- Rez. in: JASIS 44(1993) no.2, S.117-119 (B.H. Weinberg)
- Pages
- 72 S
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Bellardo, T.; Saracevic, T.: Online searching and search output : relationships between overlap, relevance, recall and precision (1987)
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- Pages
- S.11-13
