共 50 条
- [22] MACHINES FOR RETRIEVING INFORMATION IN THE USSR UNESCO BULLETIN FOR LIBRARIES, 1957, 11 (8-9): : 192 - 197
- [25] EFFECTIVENESS AND EFFICIENCY OF SEARCHERS IN ONLINE SEARCHING - PRELIMINARY-RESULTS FROM A STUDY OF INFORMATION SEEKING AND RETRIEVING PROCEEDINGS OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE, 1986, 23 : 341 - 349
- [27] RETRIEVING CHEMICAL INFORMATION WITH INDEX CHEMICUS JOURNAL OF CHEMICAL DOCUMENTATION, 1969, 9 (02): : 106 - &
- [28] POISON CONTROL - RETRIEVING STORED INFORMATION JOURNAL OF PEDIATRICS, 1973, 83 (03): : 461 - 463
- [29] ONLINE RETRIEVAL OF CHEMICAL PATENT INFORMATION - OVERVIEW AND A BRIEF COMPARISON OF 3 MAJOR FILES JOURNAL OF CHEMICAL INFORMATION AND COMPUTER SCIENCES, 1977, 17 (03): : 148 - 157
- [30] DRUG PATENT EXTENSION INFORMATION ONLINE - MONITORING POST-APPROVAL REGULATORY DEVELOPMENTS ONLINE, 1994, 18 (04): : 95 - 100