@book
{TN_libero_mab2,
author = {
Morgan, Lewis Henry
},
title = {
Ancient society or researches in the lines of human progress from savagery through barbarism to civilization
},
publisher = {Holt and Comp.},
year = {1907},
address = {
New York
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}