Elmar Schoch Frank Kargl Fabian Wolf Michael Weber U<sup>2</sup>VAS: A Research Communication Stack for Vehicular Networks. 1-2 2008 VTC Fall http://dx.doi.org/10.1109/VETECF.2008.466 conf/vtc/2008f db/conf/vtc/vtc2008f.html#SchochKWW08