RT Journal Article SR Electronic(1) A1 Wiederhold, H. A1 BurVal Working Group, TheYR 2007 T1 International Cooperation for the Mapping of Buried Valley Aquifer Systems – The Project BurVal JF , VO OP SP cp-30-00077 DO https://doi.org/10.3997/2214-4609.20146628 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.20146628