TY  - BOOK
AU  - Langley, Billy, C 
TI  - Solid state electronic control for air conditioning and refr 
SN  - 0-13-823360-8 
U1  - 629.8 LAN  
PY  - 1989///
CY  - Prentice hall 
PB  - New Jersey 
KW  - CONTROL SYSTEM
ER  -