Ayres, Frank <br/><br/>
Schaum's putline of theory and problems of plane and spherical trigonometry / 
Frank Ayres 
 - New York :  McGraw-Hill,  1954 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>516.24  / AYR