@article{JSFS_1898__39__79_0,
     author = {Schelle, G.},
     title = {La statistique des tramways},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {79--94},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {39},
     year = {1898},
     language = {fr},
     url = {http://archive.numdam.org/item/JSFS_1898__39__79_0/}
}