00325nam a2200133Ia 4500008004100000100005500041245002400096250001200120260001500132300000800147650001200155942000700167999001700174190216s9999||||xx |||||||||||||| ||und||  a"Savarirayan. Sj, Krishnan. G And Venkatesan. K.S" 2aA Text Book Of Heat  a3rd Ed.  bNullc1965  a308  aPhysics  cBK  c32719d32719