00253nam a2200109Ia 4500008004100000041000800041082002600049100001500075245003600090260000900126300000800135211209s1975    xx            000 0 und d  aeng  a621.402 1 N75 MAT/MEH  aMATHUR M L  aTHERMODYNAMICS FOR ENGINEERING   c1975  a536