TY  - BOOK
AU  - Conference on "Theory and Application of Graphs", Western Michigan University, Kalamazoo, Michigan, May 6-9, 1980
AU  - Chartrand G.
TI  - The theory and applications of graphs: ; proceedings of the fourth international conference 
U1  - 511.5 
PY  - 1981///
CY  - New York
PB  - John Wiley
ER  -