2Swiss Gas and Water Industry Association website[ EB/OL]. http: //www. svgw. ch[2000].
3Rhine River 90 km shorter than everyone thinks [ EB/OL]. The Local-Germany' s news in English. (2010- 03- 27 ) . http: //www. thelocal, de/20100327/26161.
4Swiss Agency for the Environment, Forests and Landscape website [ EB/OL ] . http : //www. umweh-schweiz, ch/buwal/eng/index. html[ 2003 ].
5Convention on protection and use of transboundary watercourses and international lakes [ C ]/! Seminar on the Role of Ecosystems as Wa- ter Suppliers. Geneva: 2004.