00518nam a2200193 a 450000500170000008200170001710000190003424500240005326000270007730000180010469000150012269000240013770000250016170000240018696400250021099700120023599900150024795200620026220251203090500.0  a321.09,bser  aSertsova, Anna  aWhat is revolution?  aMoscow: Progressc1986  a191p.c18 cm.  aRevolution  a<Political science>  aShishkina, Valentina  aYakovleva, Lyudmila  bEngc100de010fg_  a28397 W  c9172d9172  02104070aPUbPUd1998-04-08l0o321.09, serp28397yBK