@article{JSFS_1927__68__191_0,
     author = {Krummeich},
     title = {Contribution \`a l'\'etude du mouvement de la population (suite)},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {191--199},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {68},
     year = {1927},
     language = {fr},
     url = {http://archive.numdam.org/item/JSFS_1927__68__191_0/}
}