TY  - BOOK
AU  - Berge, Claude
AU  - Minieka, Edward
TI  - GRAPHS AND HYPERGRAPHS
U1  - 511.5 
PY  - 1973///
CY  - Amsterdam
PB  - North Holland Pub.
KW  - Graph Theory
N1  - Ref. : P. 498-522
ER  -