00251nam a2200097Ia 4500008004100000082001000041100001800051245004000069260003600109300000800145211112s9999    xx            000 0 und d  bDRR-O  aDR.RAM PRASAD 0aOBJECTIVE TYPE CHEMICAL ENGINEERING  aDONATED BY V.C. SIRbK.P.c2012  a465