Beckmann, Petr <br/><br/>
A history of (pi). / 
Petr Beckmann. Electrical enginnering department University of Colorado. 
 - New York :  Dorset Press,  1971. 
 - 200 p. 
<br/><br/>Bibliography: p. 189-191. 
<br/><br/><label>ISBN: </label>0880294183 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science