Mohan S. Shrikhande-Sharad S. Sane <br/><br/>
Quasi-symmetric Designs 

 -  Cambridge University Press  1991 
 - London Mathematical Society Lecture Note Series .
<br/><br/><label>ISBN: </label>9780521414074 
<br/><br/><label>Subjects--Topical Terms: </label><br/> General<br/> Probability & Statistics <br/>Block designs.,Coding theory.,Graph theory.<br/>MATHEMATICS