[A scientist of great erudition (on the 70th birthday of V. M. Koropov)].
D049673:History, 20th Century; D012425:Russia (Pre-1917); D014586:USSR; D014730:Veterinary Medicine / Q000266:history
Uchenyĭ bol'shoĭ ériditsii (k 70-letiiu so dnia rozhdeniia V. M. Koropova)