Cameron, P.J & Van Lint, J.H <br/><br/>
Graph theory coding theory & block designs 
P.J. Cameron & J.H. Van Lint 
 - London  Cambridge University Press  1975 
 - v  114 
 - London mathematical society lecture notes series 19 .
<br/><br/><label>ISBN: </label>0521207428 
<br/><br/><label>Dewey Class. No.: </label>2.08  / CAME