000 00392nas a22000977a 4500
008 170117s9999 xx 000 0 und d
022 _a0883-9530
245 _aJournal for Research in Mathematics Education. Monograph
_h[e-journal]
260 _bNational Council of Teachers of Mathematics
856 _uhttp://www.jstor.org/action/showPublication?journalCode=jresematheducmon
_yArchive 1985 - 2008
999 _c544360
_d544360