[Nikolaĭ Nikolaevich Sirotinin (on his 80th birthday)].
D049672:History, 19th Century; D049673:History, 20th Century; D010827:Physiology / Q000266:history; D014455:Ukraine
Mykola Mykolaĭovych Syrotynin (do 80-richchia z dnia narodzhennia)