000 00256nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aKulbhushan Parkash
245 0 _aVector calculus
260 _aNew Delhi
_bLaxmi Pub
_c1990
650 _aMath
942 _cBK
999 _c7806
_d7806