TY  - BOOK
AU  - Langley, B. C.
TI  - ELECTRIC CONTROLS FOR REFRIGERATION AND AIR CONDITIONING
U1  - 621.56 
PY  - 1974///
CY  - Englewood Cliffs, N. J.
PB  - Prentice-Hall
KW  - Refrigeration And Refrigerating Machinery -- Automatic Control
KW  - Air Conditioning -- Control
KW  - Heating Control
ER  -