Alvaro Arenas Benjamin Aziz Juan Bicarregui Brian Matthews Managing Conflicts of Interest in Virtual Organisations. 45-56 2008 197 Electr. Notes Theor. Comput. Sci. 2 http://dx.doi.org/10.1016/j.entcs.2007.12.016 db/journals/entcs/entcs197.html#ArenasABM08