1. Some covering concepts in graphs;Plummer;J. Combinatorial Theory,1970
2. Some common properties for regularizable graphs, edge-critical graphs and B -graphs;Berge;Tohoku Univ. Tsuken Symp. on Graph Theory and Algorithms,1980
3. Very well covered graphs;Favaron;Discrete Math.,1982
4. A game related to covering by stars;Finbow;Ars. Combinatoria,1983
5. A. Finbow, B. Hartnell, and R. Nowakowski, A characterisation of well-covered graphs of girth 5 or greater — submitted