000
00241nam a2200109Ia 4500
100
_a
Uppal MM
245
2
_a
Textbook of Engineering Chemistry
250
_a
6th
260
_c
1975
_b
Khanna Publishers
_a
Delhi
300
_a
vii+580+80
942
_c
BK
999
_c
6506
_d
6506