permafrost
From the History of Science
The USSR Academy of Sciences and Studies of Permafrost in Northern Asia, 1930–1941
Suleymanov A. A.© Studies in the History of Science and Technology: Quarterly scientific journal of the Russian Academy of Sciences (2015)
ISSN 0205-9606. Индекс 70143
ISSN 0205-9606. Индекс 70143