Tobias Baumgartner Sándor P. Fekete Winfried Hellmann Alexander Kröller Flash Mob Organization in Heterogeneous Wireless Sensor Networks. 1-4 2009 NTMS http://dx.doi.org/10.1109/NTMS.2009.5384656 conf/ntms/2009 db/conf/ntms/ntms2009.html#BaumgartnerFHK09