Internationale hydrogeologische Karte von Europa /
International Association of Hydrogeologists.
Karrenberg, Herbert,1909-
Commission for the Geological Map of the World.
Bundesanstalt für Bodenforschung.
UNESCO.
Hannover, Bundesanstalt für Geowissenschaften un Rohstoffe ; [Paris] : UNESCO,
1970-
Each sheet has title and legend in German and 2 other languages.
Additional title on some sheets: International hydrogeological map of Europe.
Additional title on some sheets: Carte hydrogéologique internationale de l'Europe.
Some sheets have additional scientific editors.
Some sheets accompanied by separate explanatory text.
Hydrogeology