Nações Unidas., Economic Commission for Europe., Secretariat of the Convention on the Protection and Use of Transboundary Watercourses and International Lakes Strategies for monitoring and assessment of transboundary rivers, lakes and groundwaters / Economic Commission for Europe

Strategies for monitoring and assessment of transboundary rivers, lakes and groundwaters / Economic Commission for Europe . - New York : United Nations, cop. 2006 . - [6], 24 p. : il. 30 cm
92-1-116951-8 Brochado

341.224