@misc
{TN_libero_mab2,
author = {
Worldwatch Institute
},
title = {
Worldwatch papers
},
publisher = {},
isbn = {0270-8019},
keywords = {
Monografische Reihe
},
year = {1975-2006},
address = {
Washington, DC
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}