Loney, S.L.  <br/><br/>
Plane trigonometry. Part 1: an elementary course, excluding the use of imaginary quantities  (Book) 

 - London  Cambridge University Press.  1955 
 - 327p .  19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry
<br/><br/><label>Universal Decimal Class. No.: </label>514 LON  / 813