Dudley, Underwood <br/><br/>
Mathematical cranks 

 - Washington D.C.  Mathematical association of America  1992 
 - x,372p.  23 cm. 
 - Spectrum series .
<br/><br/><label>ISBN: </label>0883855070 
<br/><br/><label>Dewey Class. No.: </label>510  / DUD