TY  - DATA
AU  - E. J. Billington
AU  -  A. P. Street
AU  -  S. Oates-Williams
TI  - Combinatorial Mathematics IX
T2  - Lecture Notes in Mathematics
SN  - 9783540393757
PY  - 1982///
CY  - Heidelberg
PB  - Springer Berlin
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/BFb0061970
ER  -