TY  - BOOK
AU  - Elonka, Stephen Michael  .
AU  - Minich,Quaid Walton  .
TI  - Standard refrigeration and air-conditioning  Questions and answers / 
U1  - 697.93 
PY  - 1984///
CY  - New Delhi : 
PB  - Tata Mc-Graw Hill Publishing Company , 
ER  -