Kells, Lyman M.  x <br/><br/>
Plane and spherical trigometry  x 

 - x 
 - N.Y.,  McGraw-Hill  1963 
 - xi, 290p. 
<br/><br/>
<br/><br/><label>ISBN: </label>x  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology Technology 
<br/><br/><label>Dewey Class. No.: </label>514.5/KEP