HART, WILLIAM L <br/><br/>
MODERN PLANE TRIGONOMETRY 

 - S.E. 
 - Estados Unidos  D.C. HEATH AND COMPANY  1961 NEW YORK 
 - 124 
<br/><br/><label>LCCN: </label>19464 
<br/><br/><label>Dewey Class. No.: </label>516.24