@ARTICLE {8018,
author={M. Albano and S. Hadzic  and J. Rodriguez},
doi={10.1007/s11235-013-9698-x},
journal={Telecommunication Systems},
title={Use of negative information in positioning and tracking algorithms},
year={2013},
month={July},
volume={July 2013},
number={1},
pages={1-15},
ISSN={1018-4864}
}