Andrea E. F. Clementi Angelo Monti Francesco Pasquale Riccardo Silvestri Broadcasting in dynamic radio networks. 213-230 2009 75 J. Comput. Syst. Sci. 4 http://dx.doi.org/10.1016/j.jcss.2008.10.004 db/journals/jcss/jcss75.html#ClementiMPS09