@TechReport{NikBieFar_PedMixFD_2015,
author = {Marija Nikolic and Michel Bierlaire and Bilal Farooq },
title = {Probabilistic speed-density relationship for pedestrian traffic: a data-driven approach},
institution = {Transport and Mobility Laboratory, Ecole Polytechnique F\'ed\'erale de Lausanne},
number = {TRANSP-OR 150411},
year = {2015}
}