@article{JSFS_1948__89__505_0,
     author = {Dufr\'enoy, J.},
     title = {Les principes de la physique sociale},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {505--506},
     year = {1948},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {89},
     language = {fr},
     url = {https://www.numdam.org/item/JSFS_1948__89__505_0/}
}