Wyniki
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Fifty Years of Soviet Science and Technology
Achot T. Grigoryan, L. A. Filatova
Organon 5 (1968) s. 65-72 -
Thesaurus of Scientific Events
G. M. Dobrov, V. Klimeniuk, S. Shukhardin
Organon 4 (1967) s. 267-269