Dudley, Underwood. <br/><br/>
Mathematical cranks / 
Underwood Dudley. 
 - Washington, DC :  The Mathematical Association of America,  1992. 
 - x, 372 p. :  ill. ; 
<br/><br/><label>ISBN: </label>0883855070 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Miscellanea.
<br/><br/><label>Universal Decimal Class. No.: </label>510  / DUD