TY  - BOOK
AU  - Polya George
AU  - Read Ronald C
TI  - Combinatorial enumeration of groups,graphs and chemical compounds
SN  - 0-387-96413-4
U1  - 511.6 
PY  - 1987///
CY  - NY
PB  - Springer-Verlag
KW  - Combinatorial analysis
KW  - Group theory
ER  -