00308nam a2200133Ia 4500008004100000041000800041082001800049100001300067245003100080260002700111300000800138365001500146700001300161230612s9999    xx            000 0 und d  aeng  a621.402'1 NAG  aNag P.K.  aEngineering Thermodynamics  c1981bTata McGraw Hill  a559  cRs.b90.00  aNag P.K.