Julius Degesys Prithwish Basu Jason Redi Synchronization of strongly pulse-coupled oscillators with refractory periods and random medium access. 1976-1980 2008 SAC http://doi.acm.org/10.1145/1363686.1364164 conf/sac/2008 db/conf/sac/sac2008.html#DegesysBR08