000
00299nam a2200121Ia 4500
008
220201s1978 xx 000 0 eng d
082
_a
621.56
_b
LAN
100
_a
Langley, Billy C
245
0
_a
Refrigeration & air conditioning
260
_b
Reston Publication
_c
1978
300
_a
689
942
_2
ddc
999
_c
81403
_d
81403