Beckmann, Petr. <br/><br/>
A history of [pi] (pi)/ 
Petr Beckmann. 
 - 4th ed. 
 - Boulder:  Golem Press,  1977. 
 - 202 p.:  ill.;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 195-197. 
<br/><br/><label>ISBN: </label>0911762183 
<br/><br/><label>LCCN: </label>77024777 //r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pi.
<br/><br/><label>Dewey Class. No.: </label>510.9  / B397h