TY  - DATA
AU  - Ore, ystein
TI  - Graphs and their uses 
T2  - Anneli Lax New Mathematical Library, 
SN  - 9780883859490 (online)
PY  - 1990///
CY  - Washington
PB  - Mathematical Association of America
KW  - Graphic methods
UR  - https://www.ams.org/nml/034
ER  -