000 00277nam a2200121Ia 4500
008 180304s9999 xx 000 0 und d
020 _a9788174091955
100 _a"Grewal, B. S."
245 0 _aHigher Engineering Mathematics
260 _bKhanna
365 _b725
942 _cBK
999 _c2688
_d2688