Lander, E.S <br/><br/>
Symmetric designs  an algebraic approach 
E.S. Lander 
 - Cambridge  CUP  1983 
 - xii  306 
 - London Mathematical Society lecture note series 74 .
<br/><br/><label>ISBN: </label>9780521286930 
<br/><br/><label>Dewey Class. No.: </label>511.6  / LAN