Trigg, Charles W. <br/><br/>
Mathematical quickies 
[by] Charles W. Trigg. 
 - New York  McGraw-Hill  [1967] 
 - xi, 210 p.  illus.  21 cm. 
<br/><br/><label>LCCN: </label>67019154 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations.
<br/><br/><label>LC Class. No.: </label>QA95  / .T75 
<br/><br/><label>Dewey Class. No.: </label>510/.76