@article{JSFS_1875__16__91_0,
     author = {Flechey, E.},
     title = {Les chemins de fer aux {\'Etats-Unis}},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {91--100},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {16},
     year = {1875},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1875__16__91_0/}
}