TY  - BOOK
AU  - Langley, Billy C.
TI  - Electromechanical and electronic controls for HVAC/R
SN  - 0139075690
PY  - 1999///
CY  - Upper Saddle River, NJ.
PB  - Prentice Hall
KW  - Refrigeration and refrigerating machinery
KW  - Automatic control
KW  - Air conditioning
KW  - Control
KW  - Heating
N1  - Includes index
ER  -