[On the centenary of the discovery by D. I. Ivanovskiĭ].
L'vov
D K
DK
D049672:History, 19th Century; D049673:History, 20th Century; D012426:Russia; D014773:Virology / Q000266:history*
K 100-letiiu otkrytiia D. I. Ivanovskogo.