000
00268nam a2200121Ia 4500
008
220201s1970 xx 000 0 eng d
082
_a
517
100
_a
Dwivedi, Bedford
245
0
_a
Vector calculus
260
_b
Mc graw hill
_c
1970
300
_a
528
942
_2
ddc
999
_c
76706
_d
76706