000 00269nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _aBR 510 DUN
100 _aDuncan,E.R.
245 0 _aMathematics
260 _aLondon
_b Houghton mifflin company
_c1977
942 _cABR
999 _c330471
_d330471