PACS:01.10.Fv DOI:10.1070/PU1977v020n12ABEH005486 URL: https://ufn.ru/en/articles/1977/12/k/ Citation: Kolosov M A, Yakovlev O I, Timofeeva T S, Chub E V, Efimov A I, Matyugov S S, Pavelyev A G, Kucheryavenkov A I, Kalashnikov I E "Results of radio sounding of the neutral atmosphere of Venus and bistatic radar study of its surface with the aid of the satellites 'Venera-9, 10′" Sov. Phys. Usp.20 1027–1028 (1977)