TY  - BOOK
AU  - Trott, A. R.
AU  - Welch, T.
TI  - Refrigeration and Air Conditioning 
SN  - 075064219X
U1  - 621.56 
PY  - 2000///
CY  - Oxford : 
PB  - Butterworth-Heinemann, 
KW  - Air Conditioning
KW  - Refrigeration and Refrigerating
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-7506-4219-X.pdf
ER  -