Loney.S.L. <br/><br/>
Plane Trigonometry 

 -  ATTB  1964 
 - 327p.  20 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>MATH
<br/><br/><label>Dewey Class. No.: </label> / LON