[100th birthday of Soviet microbiologist B. I. Kleĭn].
D049672:History, 19th Century; D049673:History, 20th Century; D008097:Lithuania; D008829:Microbiology / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR; D014455:Ukraine
Radians'komu mikrobiolohu B. I. Kleĭnu--100 rokiv