TY  - BOOK
AU  - Ore,Oystein
TI  - Graphs and their uses / 
SN  - 34-0 88385-635-2
U1  - 511.5 
PY  - 1990///
CY  - Washington
PB  - The Mathematical ass. of Amarica
KW  - Mathematics
N1  - Includes index
ER  -