TY  - BOOK
AU  - Khurmi, R.S  .
AU  - Gupta,J.K  .
TI  - Textbook of Refrigeration and Air Conditioning / 
SN  - 9788121927819
U1  - 697.93 
PY  - 2008///
CY  - New Delhi : 
PB  - S.Chand and Co , 
ER  -