@article{JSFS_1931__72__142_0,
     author = {Pearl, Raymond},
     title = {Superficie, population et religions de la terre},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {142--143},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {72},
     year = {1931},
     language = {fr},
     url = {http://archive.numdam.org/item/JSFS_1931__72__142_0/}
}