TY  - BOOK
AU  - Langley, Billy C.
TI  - Electric controls for refrigeration and air conditioning
SN  - 0132475030
U1  - 621.56 
PY  - 1988///
CY  - New Jersy
PB  - Prentice-Hall, Inc.
KW  - Air Conditioning--Control
KW  - Heating--Control
KW  - Refrigeration and Refrigerating Machinery--Automatic Control
ER  -