00291nam a2200121Ia 4500008004100000041000800041082001600049100001600065245002900081250001000110260004100120300000800161211209s1980    xx            000 0 und d  aeng  a621.3121NAG  aNAGPAL, G R  aPOWER PLANT ENGINEERING   a5 ed.  aNEW DELHIbKHANNA PUBLICATIONSc1980  a324