[An episode of public service of I.P. Pavlov (1905)].
D003199:Computer Systems; D005197:Famous Persons; D049672:History, 19th Century; D049673:History, 20th Century; D014937:Work
FAMOUS PEOPLE
Epizod iz obshchestvennoi deiatel'nosti I.P. Pavlova (1905 g).