000
00264nam a2200109Ia 4500
008
220201s1983 xx 000 0 eng d
100
_a
Arora,CP
245
0
_a
Refrigeration and air conittionnig
260
_b
Tata mc graw hill
_c
1983
300
_a
726
942
_2
ddc
999
_c
83030
_d
83030