TY  - BOOK
TI  - Refrigeration and air conditioning yearly 1981
U1  - 621.56 
PY  - 1974///
CY  - Crydon
PB  - Refrigeration Press
KW  - Refrigeration and refrigerating machinery -- Yearbook
N1  - Previously Published As : Refrigerater And Air Conditioning Directory; Began Publishing Since 1974. Cf. Cumulative Book Index, 1975
ER  -