@book
{TN_libero_mab2,
author = {
Heydner, Georg
},
title = {
Beiträge zur Kenntnis des kindlichen Seelenlebens
},
publisher = {Richter},
keywords = {
Child psychology
},
year = {1894},
abstract = {In Fraktur},
address = {
Leipzig
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}