000 00289nam a2200121Ia 4500
008 210212s9999||||xx |||||||||||||| ||und||
082 _a512 Sax.N2
100 _aSaxena, H.C.
245 0 _aVector calculus
260 _c1992
_bR.Chand & company
_aNew Delhi
300 _a67p.
942 _cSU
999 _c93028
_d93028