000 00299nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a515.63KUM:M
100 _aKumar R
245 0 _aMathematics Series - Vector Calculus
260 _aNew Delhi
_bVardhman
_c1991
942 _cGB
999 _c23409
_d23409