共 50 条
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- [23] APPLICATION OF EARTH PHOTOGRAMMETRY FOR PHOTOGRAPHING MONUMENTS OF CULTURAL AND ARCHITECTURAL INTEREST IN PEOPLES-REPUBLIC-OF-BULGARIA PHOTOGRAMMETRIA, 1975, 30 (3-6): : 241 - 247
- [24] DEVELOPMENT OF A CENTRALIZED AUTOMATED SCIENTIFIC AND TECHNICAL-INFORMATION SERVICE IN THE PEOPLES-REPUBLIC-OF-BULGARIA UNESCO JOURNAL OF INFORMATION SCIENCE LIBRARIANSHIP & ARCHIVES ADMINISTRATION, 1983, 5 (03): : 153 - 159
- [25] ANTI-CORROSIVE STUDIES OF THE TECHNICAL EQUIPMENT OF PETROLEUM DEPOSITS IN THE PEOPLES-REPUBLIC-OF-BULGARIA ZEITSCHRIFT FUR ANGEWANDTE GEOLOGIE, 1980, 26 (03): : 158 - 160
- [26] SCIENTIFIC-TECHNICAL COOPERATION BETWEEN THE USSR AND THE PEOPLES-REPUBLIC-OF-BULGARIA IN PHARMACEUTICAL-INDUSTRY KHIMIKO-FARMATSEVTICHESKII ZHURNAL, 1983, 17 (01): : 14 - 16
- [28] LEADING INFORMATION-CENTER OF THE PEOPLES-REPUBLIC-OF-BULGARIA (25TH ANNIVERSARY OF CISTI OF PRB) NAUCHNO-TEKHNICHESKAYA INFORMATSIYA SERIYA 1-ORGANIZATSIYA I METODIKA INFORMATSIONNOI RABOTY, 1985, (01): : 19 - 22
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- [30] 20 YEARS OF EDITORIAL WORK OF THE CENTRAL INSTITUTE FOR SCIENTIFIC AND TECHNICAL-INFORMATION OF THE PEOPLES-REPUBLIC-OF-BULGARIA NAUCHNO-TEKHNICHESKAYA INFORMATSIYA SERIYA 1-ORGANIZATSIYA I METODIKA INFORMATSIONNOI RABOTY, 1980, (12): : 9 - 10