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Decénio Hidrológico Internacional : programa da participaçâo portuguesa
(Comissâo Portuguesa para o Decénio Hidrológico Internacional, 1968)
Inter - Governmental Conference on Results of International Hydrological Decade and Future Programmes in Hydrology
(Committee for International Hydrological Decade, 1974)
General assembly of Bern : commission of snow and ice: reports and discussions= Assemblée Générale de Berne : rapports et discussions
(Association Internationale D'Hydrologie Scientifique, 1968)