Ballou Donald H <br/><br/>
Plane and spherical trignometry with tables 

 - 2 
 -  1953 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>24106 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B5, J3