TY  - BOOK
AU  - Wallis, W.D.  .
TI  - Combinatorial designs / 
SN  - 0-8247-7942-8
U1  - B 
PY  - 1988///
CY  - New York : 
PB  - Marcel Dekker, Inc , 
KW  - Combinatorial designs and configurations
ER  -