000
00283nam a2200121Ia 4500
100
_a
Uppal, M M
250
_a
7th edition
942
_c
BK
245
_a
A Textbook of engineering chemistry
260
_a
Khanna Publishers, New Delhi
_c
1979
082
_a
660.2 Upp
300
_a
vii, 610
999
_c
13811
_d
13811