TY  - BOOK
AU  - Allen, John R. .
AU  - Walker , James Herbert .
AU  - James, John William .
TI  - Heating and Air Conditioning
U1  - 697.9 
PY  - 1946///
CY  - New York
PB  - McGraw - Hill book company
KW  - Air Conditioning
KW  - Heating
KW  - G-Technology
ER  -