TY  - BOOK
AU  - Martin,George Edward
TI  - Counting: the art of enumerative combinatorics
T2  - Undergraduate texts in mathematics
SN  - 9780387952253
U1  - 511.62 
PY  - 2001///
CY  - New York
PB  - Springer-Verlag
KW  - Combinatorial enumeration problems
N1  - Includes bibliographical references and index
ER  -