. 1907-1972. (1982) . . . . - 1 - 2 - 3 - 4 ' ' 1 ' ' 2 ' ' 3 ' ' 4 ( ) 1 2 ( ) 2 2 - 1 . (-) . - - - . . " " -- Observatory Nur-i-Desht Ivan Efremov Audiobook " " ()