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- 81481648 contributor B4136271.
- 81481648 contributor B4136272.
- 81481648 created "1980".
- 81481648 date "1980".
- 81481648 dateCopyrighted "1980".
- 81481648 description "Includes bibliographical references.".
- 81481648 extent "143 p. ;".
- 81481648 issued "1980".
- 81481648 language "bul".
- 81481648 spatial "Bulgaria.".
- 81481648 subject "Q127.S696 B46".
- 81481648 subject "Science and state Bulgaria.".
- 81481648 subject "Technology and state Bulgaria.".
- 81481648 title "Nauchno-tekhnicheskata politika na NRB : [izsledvane] / Benko S. Benev, Margarita Z. Pandeva, Nikolaĭ D. Ivanov.".
- 81481648 type "text".