1. “Photoemission in Solids”, ed. by M. Cardona and L. Ley (Springer-Verlag, Berlin, Heidelberg, New York, 1978).
2. “Angle-Resolved Photoemission”, ed. S.D. Kevan (Elsevier, Amsterdam, 1992).
3. P.D. Johnson, S.L. Hulbert, R. Klaffky, N.B. Brookes, A. Clarke, B. Sinkovic, N.V. Smith, R. Celotta, M.H. Kelly, D.T. Pierce, M.R. Scheinfein, B.J. Waclawski and M.R. Howells, Rev. Sci. Inst. 63, 1902 (1992).
4. J. Unguris, D.T. Pierce, R.J. Celotta, Rev. Sci. Instrum., 57 (1986) p. 1314
5. M.R. Scheinfein, D.T. Pierce, J. Unguris, J.J. McClelland, R.J. Celotta, and M.H. Kelley, Rev. Sci. Instrum. 60(1), 1 (1989).