@Patent{Supelec213,
author = {Daniel Stanczyk and Jean-Louis Gutzwiller},
title = {{Communication system e.g. road safety increasing and traffic control devices, for e.g. accident/incident alarm, has assembly placed in vehicle and entering in bi-directional communication via electromagnetic loop with assembly in pavement}},
year = {2006},
month = {may},
annote = {Brevet n° FR2878080},
url = {http://v3.espacenet.com/textdes\'eDB=EPODOC\&IDX=FR2878080\&F=0}
}