@InProceedings{NikBieFar_STRC2014,
author = {Marija Nikolic and Michel Bierlaire and Bilal Farooq },
title = {Probabilistic speed-density relationship for pedestrians based on data driven space and time representation},
booktitle = {Proceedings of the Swiss Transportation Research Conference},
year = {2014},
address = {Ascona, Switzerland}
}