00294nam a2200121Ia 4500008004100000041001200041082001100053100001600064245006700080260000600147650000600153700001300159221030s9999    xx            000 0 und d  aEnglish  a105.23  aS. K. Gupta 0aEngineering Physics Vol.I  Mechanicscby S. K. Gupta, A. Kumar  c0  aB  aA. Kumar