TY  - BOOK
AU  - BURKHARDT , CHARLES H
TI  - Residential And Commercial Air Conditioning
U1  - D6,8(mc421) 
PY  - 1959///
CY  - New York
PB  - McGraw-Hill book company
KW  -  RESIDENTIAL AND COMMERCIAL AIR CONDITIONING
KW  - MECHANICAL ENGINEERING
ER  -