00274nam a2200109Ia 4500008004100000041000800041082002300049100001400072245003600086260003400122300000800156211209s1976    xx            000 0 und d  aeng  a620.11 N76 GUP/RAJ  aGUPTA D R  aMATERIAL SCIENCE AND PROCESSES   bKATSON PUBLISHING HOUSEc1976  a350