Interstate water riqhts: a case adjudicated by the Supreme Court of Justice of Argentina.-- River basin resources: perspectives for their development and conservation.-- Council of Europe: recommendation concerning pollution of the Rhine River.-- Draft charter on international co-operation and ground-water management.-- Co-operation in the field of transboundary waters.-- International Commission for the Hydrology of the Rhine Basin.-- Completion of the Manantali Dam.-- Book review