00281nam a2200121Ia 4500008004100000100001500041245003200056260002600088300000900114650001200123942000700135999001700142190216s9999||||xx |||||||||||||| ||und||  aIrodov I E 0aProblems In General Physics  bMir Pubs Moscowc1981  a386p  aPhysics  cBK  c33292d33292