00287nam a2200109 a 450000500170000008200180001710000160003524500390005126000270009030000180011749000420013520251203091002.0  a320.531,bpir  aPirogov, G.  aWhat is the world socialist system  aMoscow: Progressc1987  a160p.c16 cm.  aABC of social and political knowledge