By Mabry Rick   in The College Mathematics Journal

ISSN:1931-1346|41|1|49-57

Mathematical Association of America‎(2010)‎

Access to resources Favorite 19.817438

By Mabry Rick   in Mathematics Magazine

ISSN:1930-0980|84|1|16-25

Mathematical Association of America‎(2011)‎

Access to resources Favorite 19.817438

By Mabry Rick   Deiermann Paul   in American Mathematical Monthly

ISSN:1930-0972|116|5|423-438

Mathematical Association of America‎(2009)‎

Access to resources Favorite 15.8539505