000 00320nam a2200145Ia 4500
008 221121s9999 xx 000 0 und d
041 _aENGLISH
082 _bALL
100 _aALLEN INSTITUTE
245 0 _aADVANCE MATHEMATICS-2
260 _bALLEN PUBLICATION
300 _a139
650 _aMATHS
942 _cREF
999 _c177480
_d177480