000 00391nam a2200109 4500
245 _aNumber and measurement : papers from a research workshop
_cedited by Richard A. Lesh
710 _aLesh, Richard A.
260 _aOhio
_bERIC/SMEAC Science, Mathematics and Environmental Education Information Analysis Centre
_c[19-?]
300 _aix,233p.:ill.; 24cm.
082 _a515.42
_bLES
041 _aeng
999 _c47975
_d47975