1. Amthauer, G., Annersten, H. Hafner, S.S. (1976): The Mössbauer Spectrum of 57Fe in Silicate Minerals. Z. Kristallographie 143: 14–55.
2. Bott, R.D. (1992): Untersuchungen zum Brennverhalten keltischer Keramik aus dem Oppidum von Manching. Diploma Thesis, Technical University of Munich 1992.
3. Bott, R.D., Gebhard, R., Wagner, F.E., Wagner, U. (1994a): Mössbauer Study of Graphite Ware from the Celtic Oppidum of Manching. Hyperfine Interactions, in press.
4. Bott, R.D., Gebhard, R., Grosse, G., Riederer, J., Wagner, F.E., Wagner, U. (1994b): The Oppidum of Manching: A Center of Celtic Culture in Early Europe. Naturwissenschaften, to be published.
5. Boudart, M., Dumesic, J.A. Topsøe, H. (1977): Surface, Catalytic, and Magnetic Properties of Small Iron Particles: The Effect of Chemisorption of Hydrogen on Magnetic Magnetic Anisotropy, Proc. Natl. Acad. Sci. U.S.A. 74: 806–810.