Izmeneniya v sostave i v urovne tvorcheskoi aktivnosti rabochego klassa SSSR, 1959-1970 gg..
Publisher: Izd-vo Leningradskogo universiteta
Published: 1974
Place of publication: Leningrad
Language: rus
Notes: At head of title: Ministerstvo vysshego i srednego spetsial'nogo obrazovaniya RSFSR.