TY  - BOOK
AU  - Levenhagen,John I.
AU  - Spethmann,Donald H.
TI  - HVAC controls and systems
SN  - 0070375097 (recycled, acidfree paper)
U1  - 697 LEV 
PY  - 1993///
CY  - New York
PB  - McGraw-Hill
KW  - Heating
KW  - ME
KW  - Air conditioning
KW  - Control
N1  - Includes index
UR  - http://www.loc.gov/catdir/bios/mh041/92025594.html
UR  - http://www.loc.gov/catdir/description/mh022/92025594.html
UR  - http://www.loc.gov/catdir/toc/mh021/92025594.html
ER  -