Batten, Lynn Margaret. <br/><br/>
Combinatorics of finite geometries.   
by Lynn Margaret Batten 
 - second 
 - Cambridge  Cambridge University Press  1997 
 - xiv, 193p. 
<br/><br/><label>ISBN: </label>0521599938 
<br/><br/><label>Dewey Class. No.: </label>516.13  / N97