@book
{TN_libero_mab2,
author = {
Sinn, Hans-Werner
},
title = {
The threat to the German welfare state
},
publisher = {CESifo},
year = {2000},
booktitle = {Working paper series / CESifo ; Center for Economic Studies ; Ifo Institute ; 320},
address = {
Munich
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}