1. Anovitz LM, Grew ES (2002) Mineralogy, petrology and geochemistry of boron: an introduction. In: Grew ES, Anovitz LM (eds), Boron: mineralogy, petrology and geochemistry. Rev Mineral 33, 2nd printing. Mineralogical Society of America, Washington, pp 1–40, 115–116, 385
2. Appel PWU (1984) Tourmaline in the Early Archaean Isua supracrustal belt, West Greenland. J Geol 92:599–605
3. Appel PWU (1995) Tourmalinites in the 3800 Ma old Isua supracrustal belt, West Greenland. Precambrian Res 72:227–234
4. Behr H-J, Ahrendt H, Porada H, Röhrs J, Weber K (1983) Upper Proterozoic playa-lake deposits in the Damara orogen, SWA/Namibia. Spec Publ Geol Soc S Afr 11:1–20
5. Benner SA (2004) Understanding nucleic acids using synthetic chemistry. Acc Chem Res 37:784–797