00468nam a2200169 a 450000500170000002000140001708200170003110000180004824500700006626000220013630000180015869000120017696400190018899700120020799900170021995200620023620251203091818.0  a503009000  a530,bD, sav  aSavelyev, IV.  aPhysics: a general course Vol. I: mechanics and molecular physics  aMoscowbMIRc1989  a439P.c23 CM.  aPhysics  bengcdefg_  a74930 W  c53602d53602  02104070aPUbPUd1998-04-08l0o530, D, savp74930yBK