共 50 条
- [42] PATENT INFORMATION-SYSTEM AND ALL-UNION PATENT AND TECHNICAL LIBRARY OF USSR UNESCO BULLETIN FOR LIBRARIES, 1974, 28 (05): : 252 - 258
- [50] ALL-UNION MEETING ON PHOTORESISTS ZHURNAL NAUCHNOI I PRIKLADNOI FOTOGRAFII, 1991, 36 (01): : 89 - 90