[Nikolai Nikolaevich Savitskii; 65th birthday and 40 years since his scientific and paedogogical activity].
D006664:History; D006801:Humans
BIOGRAPHIES
NIKOLAI NIKOLAEVICH SAVITSKII; k 65-letiiu so dnia rozhedniia i 40-letiiu nauchno-pedagogicheskoi deiatel'nosti.