TY  - BOOK
AU  - Riordan,John
TI  - An introduction to combinatorial analysis / 
U1  - 512.5 RIO  
PY  - 1958///
CY  - New York : 
PB  - John Wiley and Sons, Inc., 
KW  - Combinatorial analysis
KW  - Statistics
N1  - Includes index.
ER  -