1. in: The Physics of Metals, I. Electrons, Ed. Cambridge University Press, 1969 (p. 113).
2. Ph. D. Thesis, Temple University, 1972, unpublished.
3. The Fermi Surfaces of Metals, Taylor & Francis, London 1971.
4. J. Phys. F (1974), submitted for publication.
5. Electron density of states in Yb metal as observed by X-ray photoemission