000
00271nam a2200109Ia 4500
008
220201s1980 xx 000 0 eng d
100
_a
ARORA S C
245
0
_a
REFRIGARATION AND PSYCHROMETRY
260
_a
DELHI
_b
DHANPAT RAI AND SONS
_c
1980
300
_a
309
942
_2
ddc
999
_c
89781
_d
89781