TY  - BOOK
AU  - B.C. Langley
TI  - Electric controls for refrigeration and air conditioning
SN  - 0-13-247072-1
U1  - 621.5 
PY  - 1974///
CY  - New Jersey
PB  - Prentice Hall , Inc
N1  - B.C. Langley: Electric controls for refrigeration and air conditioning.  New Jersey.  Prentice Hall , Inc, 1974. 0-13-247072-1--(621.5LAN)
ER  -