Shrikhande, Mohan S <br/><br/>
Quasi-symmetric designs 
Mohan S. Shrikhande, Sharad S. Sane 
 - Cambridge  Cambridge University Press  1991 
 - xv, 225 p. : ill. ; 23 cm. 
<br/><br/> Includes bibliographical references (p. 207-221) and index 
<br/><br/><label>ISBN: </label>9780521414074 
<br/><br/><label>ISSN: </label>91000762 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Block designs<br/>Coding theory<br/>Graph theory
<br/><br/><label>Dewey Class. No.: </label>519.5 SHR