Mathias Voell The Umweltdatenkatalog as a repository for environmental impact studies. 549-557 2004 EnviroInfo (1) http://iai-uiserv1.iai.fzk.de/ictensure/site?mod=litdb&subject=art&pid=L19E58B07&action=detail conf/enviroinfo/2004-1 db/conf/enviroinfo/enviroinfo2004-1.html#Voell04