1. Akagi H, Mortimer DC, Miller DR (1979) Mercury methylation and partition in aquatic systems. Bull Environm Contam Toxicol 23:372–376
2. Alberts JJ, Schindler JE, Miller RW (1974) Elemental evolution mediated by humic acid. Science 184, 895–897
3. Andrade JC, Bueno MIMS, Soares PV, Choudhuri A (1988) The fate of mercury released from prospecting areas (Garimpos) near Guarinus and Pilar, Goiás (Brazil). An Acad Brasil Ciênc 60:293–303
4. Andren AW, Nriagu JO (1979) The global cycle of mercury. In: Nriagu JO (ed) The bio-geochemistry of mercury in the environment. Elsevier North Holland, Amsterdam, pp 1–22
5. Aula I, Braunsweiller H, Leino T, Malin I, Porvari P, Hatanaka T, Lodenius M, Juras A (1994) Levels of mercury in the Tucuruí reservoir and its surrounding area in Pará, Brazil. In: Watras CJ, Huckabee JW (eds) Mercury pollution: integration and synthesis. Lewis Publ, Boca Raton, pp 21–40