000 00281nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aM Roy/ Har Swaroop Sharma
245 0 _aVector algebra & calculus
260 _aAgra
_bStudents Friends & Co.
_c1974
650 _aMath
942 _cBK
999 _c2719
_d2719