1. Mercury in the Paris Convention Area;Paris Convention,1983
2. Restrictions on wastewater discharge for improving estuarine quality at Ria de Aveiro;Duarte,1983
3. Distribution of mercury in the sediments and fishes of the Lagoon of Aveiro, Portugal;Lucas;Water Sci. Technol.,1986
4. Presenca de mercurio nos sedimentos de Ria de Aveiro;Hall,1972
5. Heavy metal concentrations in the Ottawa River and Rideau River sediments;Oliver,1972