Anderson Ian. <br/><br/>
Combinatorial Designs.Construction Methods / 
Anderson Ian. 
 - Chichester :  Ellis Horwood,  1990. 
 - 290s.,bibliogr. ;  27cm. 
<br/><br/> Ellis Horwood Series in Mathematics and Its Applica- tions. 
<br/><br/><label>ISBN: </label>0131512919 
<br/><br/><label>Universal Decimal Class. No.: </label>519