Beckmann, Petr. <br/><br/>
A history of [pi] (pi). 

 - 2d ed. 
 - Boulder, Colo.  Golem Press  1971. 
 - 196 p.  illus., ports.  24 cm. 
<br/><br/> 920327 
<br/><br/>Bibliography: p. 189-191. 
<br/><br/><label>ISBN: </label>0911762124 
<br/><br/><label>LCCN: </label>79166154  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pi.
<br/><br/><label>LC Class. No.: </label>QA484  / .B4 1971 
<br/><br/><label>Dewey Class. No.: </label>512/.924