@TechReport{Bier95a,
author = {Michel Bierlaire },
title = {Enqu\^etes de pr\'ef\'erences r\'ev\'el\'ees et d\'eclar\'ees concernant le choix modal des voyageurs du corridor Lisbonne-Porto-Braga.},
institution = {Ecole Polytechnique F\'ed\'erale de Lausanne},
number = {},
year = {1995}
}