TY  - BOOK
AU  - Charalambides Charalambos A
TI  - Enumerative combinatorics
SN  - 1-58488-290-5
U1  - 511.62 
PY  - 2002///
CY  - Boca Raton
PB  - Chapman & Hall
KW  - Combinatorial enumeration problems
ER  -