1. Structure and bonding of alkali metal suboxides
2. , , J. Chem. Soc. Dalton Trans. 1975, 2080.
3. Metallreiche Bariumnitride, Dissertation, Universität Stuttgart, 1980.
4. A Handbook of Lattice Spacings and Structures of Metals and Alloys, Vol. 2, Pergamon, London, 1967, S. 80.