@article{JSFS_1889__30__200_0,
     author = {Duhamel, Henry},
     title = {L'industrie houill\`ere en {France}},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {200--204},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {30},
     year = {1889},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1889__30__200_0/}
}