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1-65 Lewis R. A., 1972
65 Lewis R. A. Some Aspects of the Research and Development Effort in the Soviet Union, 1924-1935// Science Studies. 1972. N 2. P. 164.
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1-65 Lewis R. A., 1972
65 Lewis R. A. Some Aspects of the Research and Development Effort in the Soviet Union, 1924-1935// Science Studies. 1972. N 2. P. 164. Ссылки:
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