@misc
{TN_libero_mab2,
author = {
Brugelmann, Hans
},
title = {
German Conference on the Case Study Approach
},
publisher = {SAGE Publications},
isbn = {0191-8036},
keywords = {
General Materials Science
},
year = {1982},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}