共 50 条
- [48] COMPETITIVE SURVEY OF LENINGRAD INFORMATION AND PATENT BUREAUX NAUCHNO-TEKHNICHESKAYA INFORMATSIYA SERIYA 1-ORGANIZATSIYA I METODIKA INFORMATSIONNOI RABOTY, 1968, (09): : 10 - &
- [50] MANAGING SMALL SPECIAL-LIBRARIES - AN INFORMATION KIT CANADIAN LIBRARY JOURNAL, 1989, 46 (05): : 346 - 347