TY  - GEN
AU  - Beth, Thomas
AU  - Jungnickel, Dieter
AU  - Lenz, Hanfried 
TI  - Design theory. Vol. 78
SN  - 9780521772310
U1  - 511.6 BET  
PY  - 1999///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Combinatorial Designs and Configurations
KW  - Combinatorial Analysis
KW  - Mathematics
ER  -