Newell D.B., S.N. Richman, P.G. Nelson, R.T. Stebbins, P.L. Bender, J.E. Faller, and J. Mason, Review Of Scientific Instruments 68, 3211 (1997).
Stebbins R.T., D.B. Newell, S.N. Richman, P.L. Bender, J.E. Faller, and J. Mason, in (SPIE, San Diego, Ca, 1994).