DONNAY, J.D.H. <br/><br/>
Spherical trigonometry:  after the cesaeo method / 
[by] J.D.H.Donnay 
 - New York  Interscience pub.  1945 
 - xi, 83 p. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>516.24  / DON