000 00252nam a2200109Ia 4500
008 211126s9999 xx 000 0 und d
082 _a510.62
100 _aB.S.GREWAL
245 0 _aHIGHER ENGINEERING MATHEMATICS
260 _bKHANNA
942 _cBTECH
999 _c163767
_d163767