1. Unfriendly partitions of graphs;Aharoni;J. Combin. Theory B,1990
2. A sharp lower bound on the powerful alliance number of Cm□Cn;Brigham;Congr. Numer.,2004
3. R.C. Brigham, R.D. Dutton, T.W. Haynes, S.T. Hedetniemi, Powerful alliances in graphs, 2004, submitted for publication.
4. Offensive alliances in graphs;Favaron,2002
5. A note on defensive alliances in graphs;Fricke;Bull. ICA,2003