@article{JSFS_1867__8__62_0,
     author = {Legoyt, A.},
     title = {Les naissances naturelles (suite et fin)},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {62--77},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {8},
     year = {1867},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1867__8__62_0/}
}