Theses of the... on the basic trends in the development of the science and technological progress during the seventh five years plan and up to 1990 /
| Автор-организации: | Bulgarian communist party. Central committie |
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| Формат: | Книга |
| Език: | English |
| Публикувано: |
Sofia :
Bulgarian communist party. Central committie,
1976.
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| Предмети: |
| Физически характеристики: |
27 p. ; 23 cm. |
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