By Hadlock Charles R.   in PRIMUS

ISSN:1051-1970|23|6|500-506

Taylor & Francis Ltd‎(2013)‎

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By Hadlock Charles R.   in American Mathematical Monthly

ISSN:1930-0972|114|10|849-870

Mathematical Association of America‎(2007)‎

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By Hadlock Charles R.   in Math Horizons

ISSN:1947-6213|21|2|12-15

Mathematical Association of America‎(2013)‎

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By Hadlock Charles R.   in The College Mathematics Journal

ISSN:1931-1346|44|5|364-375

Mathematical Association of America‎(2013)‎

Access to resources Favorite 18.035013