Small, Lloyd L. <br/><br/>
Trigonometry-plane and spherical   
by Lloyd L. Small. 
 - first 
 - New york  McGraw-Hill Book Company, Inc.  1952 
 - xii, 316p. 
<br/><br/><label>LCCN: </label>51-12644 
<br/><br/><label>Dewey Class. No.: </label>516.34  / N52