[Nikolaĭ Pavlovich Naumov (on his 70th birthday)].
D004463:Ecology / Q000266:history; D049673:History, 20th Century; D009031:Moscow; D015046:Zoology / Q000266:history
Nikolaĭ Pavlovich Naumov (k 70-letiiu so dnia rozhdeniia)