00243nam a2200109Ia 4500008004100000041000800041082002600049100000900075245003200084260000900116300000800125211209s1975    xx            000 0 und d  aeng  a669.9 COT N75 ALA/COT  aALAN  aINTRODUCTION TO METALLURGY   c1975  a548