@article{JSFS_1907__48__321_0,
     author = {De Foville, A.},
     title = {Homo medius},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {321--330},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {48},
     year = {1907},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1907__48__321_0/}
}