000 00288nam a2200121Ia 4500
008 211209s1981 xx 000 0 und d
041 _aeng
082 _aVAS
100 _aVASISHTHA A R
245 _aVECTOR ALGEBRA
260 _aNEW DELHI
_bKRISHNA PRAKASHAN MANDIR
_c1981
300 _a194
999 _c20876
_d20876