TY  - BOOK
AU  - Langley, Billy C.,
TI  - Electric controls for refrigeration and air conditioning
SN  - 0132470721
AV  - TP492.7 .L32
U1  - 621.56 
PY  - 1974///
CY  - NewJersey
PB  - Prentice-Hall
KW  - Refrigeration and refrigerating machinery
KW  - Automatic control
KW  - Air conditioning
KW  - Control
KW  - Heating
N1  - Includes index
ER  -