1. Ackerman GG . (2006), Biogeochemical gradients and energetics in geothermal systems of Yellowstone National Park. MSc thesis, Montana State University: Bozeman, MT, USA, p 196.
2. APHA (1998a). Part 4500: S2− D. In: Clesceri LS, Greenberg AE, Eaton AD (eds) Standard Methods for the Examination of Water and Wastewater 20th edn. APHA: Washington, DC, USA, pp 4-165–166.
3. APHA (1998b). Part 4500: NH3 H. In: Clesceri LS, Greenberg AE, Eaton AD (eds) Standard Methods for the Examination of Water and Wastewater 20th edn. APHA: Washington, DC, USA, pp 4-111–112.
4. APHA (1998c). Part 4500: NO3− I. In: Clesceri LS, Greenberg AE, Eaton AD (eds) Standard Methods for the Examination of Water and Wastewater 20th edn. APHA: Washington, DC, USA, pp. 4-121–122.
5. Berg I, Kockelkorn D, Buckel W, Fuchs G . (2007). A 3-hydroxypropionate/4-hydroxybutyrate autotrophic carbon dioxide assimilation pathway in archaea. Science 318: 1782–1786.