@InProceedings{BierThemZuff07-STRC,
author = {Michel Bierlaire and MichaŽl Th\'emans and Nicolas Zufferey },
title = {Nonlinear global optimization relevant to discrete choice models estimation},
booktitle = {Proceedings of the 7th Swiss Transport Research Conference},
year = {2007},
address = {Ascona, Switzerland}
}