00322nam a22001217a 4500020001800000082001900018100001700037245008200054260002500136300001000161650001200171700001700183  a9788121927819  a621.56 bKHU-R  aKhurmi, R. S  aTextbook of refrigeration and air conditioning / R. S. Khurmi and J. K. Gupta  a India S. Chand 2011  a754 p  aPhysics  aGupta, J. K.