000 00281nam a2200097Ia 4500
008 230915s9999 xx 000 0 und d
050 _aQA135.6.V36 2004
100 _aVAN DE WELLE,JOHN A.
245 0 _aELEMENTARY AND MIDDLE SCHOOL MATHEMATICS;TEACHING DEVELOPMENTALLY
942 _cBK
999 _c185237
_d185237