1. The band structure of hexagonal close-packed metals II. Sc, Ti, Y and Zr
2. “Soft X-ray Band Spectra”;Fabin,1968
3. Electronic structure and compressibility of metals at high pressures
4. Anderson, R. A., Gardner, W. E. and Penfold, J. (1965) In: “Proc. Intern. Conf. Magnetism, Nottingham, September 1964”, pp. 186–187. Institute of Physics, London.