000
00272nam a22001217a 4500
020
_a
9788121903592
082
_a
660
100
_a
DARA S.S
245
_a
A TEXTBOOK OF ENGINEERING CHEMISTRY
260
_a
NEW DELHI
_b
S. CHAND
_c
1986
300
_a
XVI, 972P
942
_c
BK
999
_c
8827
_d
8827