TY  - BOOK
AU  - Allen,John Robins
AU  - Walker,J.H.
AU  - James,John William
TI  - Heating and air conditioning
U1  - 621 
PY  - 1946///
CY  - New York, London
PB  - McGraw-Hill Book Company, inc.
KW  - Heating
KW  - Air conditioning
N1  - Bibliography at end of most of the chapters
ER  -