TY  - BOOK
AU  - Wilson,Robin J.
AU  - Watkins, John J.
TI  - Graphs: And introductory approach 
SN  - 0-471-61554-4
AV  - QA166 W536
PY  - 1990///
CY  - New York
PB  - J. Wiley
KW  - Teoría de grafos
N1  - "based on the open university course graphs, networks design"
ER  -