[75th Anniversary of birth and 50th anniversary of scientific activities of Viktor Pavlovich Protopopov].
D000846:Anniversaries and Special Events; D049672:History, 19th Century; D049673:History, 20th Century; D036801:Parturition; D012586:Science
BIOGRAPHIES
Viktor Pavlovich Protopopov; k 75-letiiu so dnia rozhdeniia i 50-letiiu nauchnoi deiatel'nosti.