00301nam a2200109Ia 4500008004100000041000800041082002800049100001900077245005400096260003300150300000800183211209s1977    xx            000 0 und d  aeng  a620.112 MIR/ENG N77 MIR  aMIROLYUBOV I N  aAID TO SOLVING PROBLEMS IN STRENGTH OF MATERIALS   aMOSCOWbMIR PUBLISHERSc1977  a478