Obshchee sobranie Akademii nauk SSSR, 14-17 fevrali︠a︡ 1944 goda
by V. L. Komarov, Obshchee sobranie AN SSSR
CongressesAkademii︠a︡ nauk SSSR
Writing a summary for young readers…
For young readers
Book data: Open Library
by V. L. Komarov, Obshchee sobranie AN SSSR
Book data: Open Library