@INPROCEEDINGS {7911,
author={M.  Ferreira and H. Conceição and R. Fernandes and O. Tonguz},
doi={},
booktitle={IEEE Vehicular Networking Conf. (VNC)},
title={Urban Connectivity Analysis of VANETs through Stereoscopic Aerial Photography},
year={2009},
month={September},
volume={},
pages={-} 
}