00277nam a2200109Ia 4500008004100000041000800041082001400049100001800063245004900081260003000130365000700160230303s9999    xx            000 0 und d  aeng  a530.4 SIN  aSingh(Devraj)  aEngineering Physics ,Theory and Expt. Vol II  aDelhibDhanpat Rai & Sons  cRS