00297nam a2200121Ia 4500008004100000041000800041082001900049100002400068245003400092250001000126260003100136300000800167211209s1984    xx            000 0 und d  aeng  a672.36 N84 THE  aTHELNING, KARL-ERIK  aSTEEL AND ITS HEAT TREATMENT   a2 ed.  aENGLANDbBUTTERWORTHc1984  a678