Martin George E <br/><br/>
Foundations of geometry and the noneuclidean plane. 
Martin George E 
 -  1975 
<br/><br/><label>Standard No.: </label>20201 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B6, L5