1. Polynomial algorithms for chromatic index and graph isomorphism on partial k-trees;Bodlaender,1987
2. Linear time algorithms for edge colouring line graphs of trees and unicyclic graphs;Cai,1988
3. Edge-colourings of graphs;Fiorini,1977
4. Computers and Intractability: A Guide to the Theory of NP-Completeness;Garey,1979
5. The NP-completeness of edge-coloring;Holyer;SIAM J. Comput.,1981