00318nam a2200121 a 450000500170000002000150001708200160003210000060004811000440005424500420009826000300014030000260017020251203110343.0  a081531647X  a510.71bGRI  d_  aGrinstein, Louise S and Lipsey, sally I  aEncyclopedia of mathematics education  aNew YorkbRoutledgec2001  axxviii,879p.c22cm HB