1. Graphs and their chromatic numbers;Behzad,1965
2. Graphs and Hypergraphs;Berge,1973
3. The total colouring of graphs of order 2n and maximum degree 2n–2;Chen;Graphs Combin.,1992
4. Total colourings of graphs;Chetwynd,1990
5. A.G. Chetwynd and R. Häggkvist, Some upper bounds on the total and list chromatic numbers of multigraphs, submitted.