00234nam a2200109Ia 4500100002600000654001700026245001700043260003400060082001000094300000800104546001200112  aKhurmi/R.S/ Shah/C.S   aHeat engines  aHeat Engines  bS.Chand & coaNew Delhic1982  a621.4  a711  aENGLISH