1. Browne BA, McColl JG, Driscoll CT (1990) Aluminum speciation using morin. I. Morin and its complexes with aluminium. J Environ Qual 19:65–72
2. Dobrzyński D (1997) Aluminium hydrogeochemistry in areas affected by acid rains in the Intra-Sudetic Depression, SW Poland. Dissertation, Warsaw University, Poland [in Polish]
3. Dobrzyński D (2005) Silica origin and solubility in groundwater from the weathered zone of sedimentary rocks (the Intra-Sudetic Basin, SW Poland). Acta Geologica Polonica 55(4):445–462
4. Dobrzyński D (2006a) Silicon and aluminium in groundwater of the Kłodzko Region (the Sudetes, SW Poland)––partial geochemical equilibrium with secondary solid phases. Geol Q 50(3):369–382
5. Dobrzyński D (2006b) Silica solubility in groundwater from Permian volcanogenic rocks (the Sudetes Mts., SW Poland)––the role of reversible aluminosilicate solids. Geol Q 50(4):407–417