00278nam a2200109Ia 4500008004100000041000800041082001100049100001500060245005000075260003500125300000800160230822s1999    xx            000 0 und d  aeng  a620.11  aKHURMI R S  aENGINEERING MECHANICS & STRENGTH OF MATERIALS  bS. CHAND AND COMPANY LTDc1999  a463