Declaration of Iguazu: international river aspects.-- Transboundary impact: Togo affected by the Akosombo Dam in Ghana's portion of the Volta River.-- Nile River.-- The Ixtapa Working Group produces a draft agreement relating to the use of transboundary ground-waters.-- ASEAN: Agreement on conservation with water resources implication.-- Monitoring and evaluation of transboundary water pollution.-- Report on sharing and development of international waters.-- Report on the law of the non-navigational uses of international water courses.-- Symposium on water resources.-- Book review