TY  - BOOK
AU  - Langley, Billy C.
TI  - REFRIGERATION AND AIR CONDITIONING
U1  - 621.56 
PY  - 1978///
CY  - Reston, Virginia
PB  - Reston Pub.
KW  - Refrigeration And Refrigerating Machinery -- Automatic Control
KW  - Air Conditioning
ER  -