TY  - BOOK
AU  - Hughes,D.R.
AU  - Piper,F.C.
TI  - Design theory
SN  - 0521358728
AV  - QA166.25 .H84 1985
U1  - 511.6 
PY  - 1985///
CY  - New York
PB  - Cambridge Univ. Press
KW  - Combinatorial designs and configurations
N1  - Includes bibliographies and index; Mathematics, Physics & Statistics
ER  -