@INPROCEEDINGS {11832,
author={S. M. Marques and L. P. Pontes and A. C. Cotrim and J. Sanguino},
doi={},
booktitle={International Caris Conf.},
title={Integrating Real-Time Moving Objects in GIS - Application to a Vessel Traffic System},
year={1999},
month={September},
volume={--},
pages={-----} 
}