@Article{LaiBier15,
author = {Xinjun Lai and Michel Bierlaire },
title = {Specification of the cross-nested logit model with sampling of alternatives for route choice models},
journal = {Transportation Research Part B: Methodological},
volume = {80},
pages = {220-234},
doi = {10.1016/j.trb.2015.07.005},
year = {2015}
}