00403nam a22001337a 4500022001500000082001400015100002100029245003900050250001200089260005900101650004600160650002100206700004200227  a812241429X  a621.56PRA  aPrasad, Mannohar  aRefrigeration and Air Conditioning  a3rd ed.  aNew Delhi:bNew Age International Publications,c2015.  aRefrigeration and refrigerating machinery  aAir conditioning  aHundy, G. F. - Trott, A. R - Welch, T