Beckmann, Petr. <br/><br/>
History of PI (π) 

 - New York:   St. Martin's Press,  1971 
 - 200 p.;  ill.:  20 cm. 
<br/><br/>Bibliography details including index 
<br/><br/><label>ISBN: </label>0312381859 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pi<br/>Mathematics<br/>Number Theory
<br/><br/><label>Dewey Class. No.: </label>512​.924  / BEC