000
00250nam a22001097a 4500
082
_a
621.56SEV
100
_a
Severns W H
245
_a
Airconditioning and refrigeration
260
_a
New York
_b
John wiley and sons
_c
1988
300
_a
563
942
_c
BK
999
_c
12698
_d
12698