TY - BOOK AU - Shrikhande,Mohan S. AU - Sane,Sharad S. TI - Quasi-symmetric designs SN - 0521414075 (U.S. : pbk.) U1 - 511.6 PY - 1991/// CY - Cambridge [England] , New York PB - Cambridge University Press KW - Block designs KW - Graph theory KW - Coding theory UR - http://www.loc.gov/catdir/description/cam024/91000762.html UR - http://www.loc.gov/catdir/toc/cam024/91000762.html ER -