00375nam a2200121 a 450000500170000008200220001710000240003924500700006326000380013330000170017149000420018870000230023020251203090653.0  a331.8801,bD, Yer  aYermakova, Antonina  aWhat are classes and the class struggle?, Antonina Yermakova, eng  aMoscow, Progress Publishersc1986  a263p.c8 cm.  aabc of Social and Political knowledge  aRatnikov, Valentin