Second assessment of transboundary rivers, lakes and groundwaters Corporate author United Nations Economic Commission for Europe Date 2011 Source IUCN (ID: MON-085659) Reference number ECE/MP.WAT/33 Publisher | Place of publication United Nations | Geneva, Switzerland ISBN 978-92-1-7052-8 Pages 429 p. Document type Monography/book Language English Field of application International Subject Water Keyword Inland waters Groundwater Monitoring Transboundary effects Basin/catchment/watershed Survey/mapping Freshwater resources management Surface water 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)