@article{JSFS_1904__45__231_0,
     author = {Cadoux, G.},
     title = {Le m\'etropolitain de {Paris}},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {231--244},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {45},
     year = {1904},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1904__45__231_0/}
}