00253nam a2200109Ia 4500008004100000041000800041082002600049100001300075245003800088260000900126300000800135211209s1975    xx            000 0 und d  aeng  a621.402 1 N75 ZEM/ABO  aZEMANSKY  aBASIC ENGINEERING THERMODYNAMICS   c1975  a492