TY  - BOOK
AU  - Jackson David M Ed.
AU  -  Vanstone Scott A Ed.
TI  - Enumeration and design
U1  - B217, M4 
PY  - 1984///
CY  - Toronto
PB  - Academic press        
KW  -  Combination
KW  - Permutation
N1  - Includes bibliography
ER  -