@book
{TN_libero_mab2,
author = {
Stern, Clara
AND
Stern, William
},
title = {
Monographien über die seelische Entwicklung des Kindes
},
publisher = {Barth},
year = {1907-1965},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}