TY  - BOOK
AU  - Berge,Claude
TI  - Principles of combinatorics
T2  - Mathematics in science and engineering
AV  - QA164 .B4713
U1  - 511/.6 
PY  - 1971///
CY  - New York
PB  - Academic Press
KW  - Combinatorial analysis
KW  - Local
N1  - Includes bibliographies
ER  -