000
00277nam a2200121Ia 4500
008
220201s1989 xx 000 0 eng d
100
_a
DASS H K
245
0
_a
ENGINEERING MATHEMATICS
250
_a
4
260
_a
DELHI
_b
S CHAND AND SONS
_c
1989
300
_a
912
942
_2
ddc
999
_c
90654
_d
90654