Beckmann, Petr. <br/><br/>
A history of [pi] (pi) / 
Petr Beckmann. 
 - New York :  St. Martin's Press,  c1971. 
 - 200 p. :  ill., ports. ;  21 cm. 
<br/><br/>Includes bibliographical references (p. 193-195) and index. 
<br/><br/><label>ISBN: </label>0312381859 
<br/><br/><label>LCCN: </label>74032539 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pi.
<br/><br/><label>LC Class. No.: </label>QA484  / .B4 
<br/><br/><label>Dewey Class. No.: </label>512/.924