Hart, William L. <br/><br/>
Plane and spherical trigonometry with applications 
Hart, William L. 
 - Boston:   D.C. Heath and Company.,  c1964. 
 - iv, 124 pages ;  22 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>971-08-1916-x. 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>Circ. 516.24 H325p 1964