FRANKS, JR AYRES <br/><br/>
THEORY AND PROBLEMS OF PLANE AND SPHERICAL TRIGONOMETRY 

 - NEW YORK  SCHAUM PUBLISHING CO. 
 -  260P 
<br/><br/><label>Subjects--Topical Terms: </label><br/><br/>
<br/><br/><label>Dewey Class. No.: </label>516.14/AYR/THE