Dudley, Underwood <br/><br/>
A budget of trisections/ 
Underwood Dudley. 
 - New York:  Springer-Verlag,  c1987. 
 - xv, 169 p.:  ill.;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0387965688 :  $29.80 
<br/><br/><label>LCCN: </label>87013020 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trisection of angle
<br/><br/><label>Dewey Class. No.: </label>516.204  / D849b