@book
{TN_libero_mab2,
author = {
Mill, John Stuart
AND
Comte, Auguste
Lévy-Bruhl, Lucien
},
title = {
Lettres inédites de John Stuart Mill à Auguste Comte
},
publisher = {Alcan},
year = {1899},
address = {
Paris
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}