00270nam a2200109Ia 4500008004100000041000800041082000800049100001700057245004100074260003700115300000800152211209s1984    xx            000 0 und d  aeng  aAGA  aAGARWAL, C V  aCHEMISTRY FOR ENGINEERING MATERIALS   aVARANASIbTARA BOOK AGENCYc1984  a472