Our waters : Joining hands across borders : First assessment of transboundary rivers, lakes and groundwaters Corporate author United Nations Economic Commission for Europe Date 2007 Source IUCN (ID: MON-080506) Publisher | Place of publication United Nations | New York, NY, USA ISBN 978-92-1-116972-0 Pages 373 p. Document type Document of international organization Language English Field of application International Subject Water Keyword Groundwater Surface water Monitoring Survey/mapping Freshwater resources management Basin/catchment/watershed Inland waters Transboundary effects Geographical area Europe, North Sea, Eastern Europe, Black Sea, Central Asia Basin Aral Sea, Caspian Sea, Baltic Sea Other references Treaty Convention on the Protection and Use of Transboundary Watercourses and International Lakes Treaty | Multilateral | Helsinki | May 7, 1992 Keyword: Precautionary principle Source: IUCN (ID: TRE-001142)