Smail, Lioyd L. <br/><br/>
Trigonometry  plan and spherical 

 - New York  McGraw-Hill  1952 
 - 406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry, plane
<br/><br/><label>Dewey Class. No.: </label>514.5  / SM16T