@misc
{TN_libero_mab2,
author = {
},
title = {
International hydrogeological map of Europe
B6 Madrid : notice explicative
},
publisher = {Bundesanst. für Geowiss. und Rohstoffe},
keywords = {
Karte
},
year = {1991},
address = {
Hannover
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}