TY  - BOOK
AU  - Allen, John R.
AU  - Walker, James Herbert.
AU  - James, John Williams.
TI  - Heating and air conditioning
PY  - 1946///
CY  - New York, London : 
PB  - McGraw-Hill, 
KW  - AIRE ACONDICIONADO
KW  - CALEFACCION
ER  -