Gabriel Ciobanu Cristian Prisacariu Coordination by Timers for Channel-Based Anonymous Communications. 3-17 2007 175 Electr. Notes Theor. Comput. Sci. 2 http://dx.doi.org/10.1016/j.entcs.2007.03.002 db/journals/entcs/entcs175.html#CiobanuP07