@misc
{TN_libero_mab2,
author = {
Lipsey, Mark W.
},
title = {
Key issues in intervention research: A program evaluation perspective
},
publisher = {Wiley},
isbn = {0271-3586},
isbn = {1097-0274},
year = {1996},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}