1. Appelo CAJ, Postma D (1993) Geochemistry, groundwater and pollution. Balkema, Rotterdam, 536 pp
2. Appelo CAJ, Nienhuis PR, Willemsen A (1992) PHREEQM-PHREEQE in a mixing cell flowtube. In: Kharaka YK, Maest AS (eds) Water-rock interaction, vol 1. Balkema, Rotterdam, pp 201–212
3. ASTM (1995) ASTM D 2974-87 (1987) Standard test methods for moisture, ash, and organic matter of peat and other organic soils. American Society for Testing and Materials, West Conshohocken, PA
4. Bertsch PM, Layton WJ, Barnhisel RI (1986) The determination of specific forms of aluminum in natural waters. Soil Sci Am J 50:1449–1454
5. Blum JD, Gazis CA, Jacobson AD, Page Chamberlain C (1998) Carbonate versus silicate weathering in the Raikhot watershed within the High Himalayan Crystalline Series. Geology 26(5):411–414