4Albert E Utton.Transboundary Resources Law. . 1987
5Joseph W.Dellapenna.The customary international law of transboundary fresh waters. International Journal of Global Environmental Issues . 2001
6Robert E. Hall.Transboundary Groundwater Management: Opportunities under International Law for Groundwater Management in the United states-Mexico Border Region. Arizona Journal of International & Comparative Law . 2004
7Marwan Haddad,Eran Feitelson,Shaul Arlosoroff.The Management of Shared Aquifers. Management of Shared Groundwater Resources:The Israeli-Palestinian Case with an International Perspective . 2001