Hart, William L. <br/><br/>
Plane and spherical trigonometry with applications / 
William L. Hart. 
 - Boston :   D.C. Heath and Company,  c1964. 
 - 124 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>971-08-1916-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry. <br/>Spherical trigonometry.
<br/><br/><label>Dewey Class. No.: </label>Cir514 H251 1964