Hughes, Daniel R. <br/><br/>
Projective planes 
D. R. Hughes, F. C. Piper 
 - New York  Springer-Verlag  1973 
 - 491 p. ; 24 cm. 
<br/><br/><label>ISBN: </label>0387900438 
<br/><br/><label>LCCN: </label>72-75719 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Projective