1. Die Bodenbildung auf Silikatgestein im südlichen Tessin;Blaser;Mitt. Eidg. Anstalt für das forstliche Versuchswesen,1973
2. The Geochemistry of Natural Waters;Drever,1988
3. Neutralization of atmospheric acidity by chemical weathering in an alpine drainage basin in the North Cascade Mountains;Drever;Geology,1986
4. Sources of mineral constituents in water from granitic rocks, Sierra Nevada, California and Nevada;Feth;USGS Water-Supply Pap. 1535-I,1964
5. Genesis of some ground waters from igneous rocks;Garrels,1967