000
00259nam a2200109Ia 4500
008
231004s9999||||xx |||||||||||||| ||und||
041
_a
eng
100
_a
Gupta, J.P
_9
13321
245
0
_a
Working with heat exchangers
260
_b
Hemisphere
_c
1990
942
_c
BK
999
_c
21841
_d
21841