@proceedings
{TN_libero_mab2,
author = {
},
title = {
National geographic research
a scientific journal
},
publisher = {},
isbn = {8755-724X},
keywords = {
Zeitschrift
,
Geografie
},
year = {1985-1990},
address = {
Washington, DC
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}