共 50 条
- [42] COMPARISON OF MANUAL AND ONLINE SEARCHES OF CHEMICAL ABSTRACTS JOURNAL OF CHEMICAL INFORMATION AND COMPUTER SCIENCES, 1986, 26 (02): : 59 - 63
- [43] CHEMICAL ABSTRACTS SERVICE COMPUTER-BASED INFORMATION SYSTEM INDUSTRIE CHIMIQUE BELGE-BELGISCHE CHEMISCHE INDUSTRIE, 1969, 34 (01): : 25 - &
- [44] HISTORY OF ABSTRACTING AT CHEMICAL ABSTRACTS SERVICE JOURNAL OF CHEMICAL INFORMATION AND COMPUTER SCIENCES, 1980, 20 (04): : 193 - 201
- [48] HYPERTEXT RESEARCH AT CHEMICAL ABSTRACTS SERVICE ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1990, 199 : 9 - CINF