@book
{TN_libero_mab2,
author = {
},
title = {
The international encyclopedia of education
5 I - L
},
edition = {
1. ed., repr.
}
,
publisher = {Pergamon Press},
isbn = {0080281192},
year = {1988},
address = {
Oxford
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}