[Nikolai Nikolaevich Timofeev (on his 80th birthday)].
D049672:History, 19th Century; D049673:History, 20th Century; D008890:Military Psychiatry / Q000266:history; D014586:USSR
Nikolaĭ Nikolaevich Timofeev (k 80-letiiu so dnia rozhdeniia).