000
00280nam a2200121Ia 4500
008
220201s1998 xx 000 0 eng d
082
_a
510
_b
DAS
100
_a
Dass,H.K.
245
0
_a
Engineering mathematics
260
_b
S.Chand
_a
New Delhi
_c
1998
300
_a
592p.
942
_2
ddc
999
_c
9427
_d
9427