VOUGHAN HERBERT E. <br/><br/>
A VECTORBAPPROACH TO EUCLIDEAN GEOMETRY 

 - NEW YORK   THE MACMILLAN  1973 
<br/><br/> INCLUDES INDEX 
<br/><br/><label>Source: </label>B-6248 
<br/><br/><label>LC Class. No.: </label>QA685.  / V26