[Ivan Iosifovich Merkulov (on his 80th birthday)].
D000047:Academies and Institutes / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history; D014455:Ukraine
Ivan Iosifovich Merkulov (k 80-letiiu so dnia rozhdeniia).