共 50 条
- [25] FEASIBILITY OF USE OF CD-ROM IN PATENT INFORMATION NACHRICHTEN FUR DOKUMENTATION, 1987, 38 (02): : 77 - 83
- [28] Economic information: Online, CD-ROM, Internet NFD INFORMATION-WISSENSCHAFT UND PRAXIS, 2001, 52 (06): : 364 - 364
- [29] SELECTIVE DISSEMINATION OF PATENT INFORMATION ON CD-ROM ONLINE & CDROM REVIEW, 1995, 19 (01): : 33 - 34