%0 Journal Article %1 1998 %A Harel, Guershon %D 1998 %I Mathematical Association of America %J The American Mathematical Monthly %K MathEd imported %N 6 %P 497--507 %T Two Dual Assertions: The First on Learning and the Second on Teaching (or Vice Versa) %U http://www.jstor.org/stable/2589401 %V 105

@article{1998, added-at = {2009-03-16T17:18:16.000+0100}, author = {Harel, Guershon}, biburl = {https://www.bibsonomy.org/bibtex/2a492ae35b2d2936041904b41853fbe74/carolyn}, copyright = {Copyright © 1998 Mathematical Association of America}, interhash = {d448e1a8606d80ed1eca3f46fbef4034}, intrahash = {a492ae35b2d2936041904b41853fbe74}, issn = {00029890}, journal = {The American Mathematical Monthly}, jstor_articletype = {primary_article}, jstor_formatteddate = {Jun. - Jul., 1998}, keywords = {MathEd imported}, number = 6, pages = {497--507}, publisher = {Mathematical Association of America}, timestamp = {2009-03-16T17:21:23.000+0100}, title = {Two Dual Assertions: The First on Learning and the Second on Teaching (or Vice Versa)}, url = {http://www.jstor.org/stable/2589401}, volume = 105, year = 1998 }