Hannemann, M.: Online ins Schlaraffenland der Wissenschaft : Literatur-Recherche im Internet ist ein teures Unterfangen ohne Erfolgsgarantie - Doch wer systematisch sucht, gelangt zügig ans Ziel (1999)
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- Date
- 3. 5.1997 8:44:22
Jacobs, M.: Criteria for evaluating alternative MEDLINE search engines (1998)
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- Date
- 6. 3.1999 17:29:21
- Source
- Medical reference services quarterly. 17(1998) no.3, S.1-12