00315nam a2200121Ia 4500008004100000041000800041082002000049100001600069245005000085250001000135260004000145300000800185211209s1984    xx            000 0 und d  aeng  a669 N84 KHA/LAL  aKHANNA, O P  aTEXT BOOK OF MATERIAL SCIENCE AND METALLURGY   a4 ed.  aNEW DELHIbDHANPAT RAI & SONSc1984  a719