Observed names: R . E . Hummel, R E Hummel, R E. Hummel, R HUMMEL, R. E. HUMMEL, R. E. Hummel, R. Hummel, R.E Hummel, R.E. Hummel, Rolf E Hummel, Rolf Hummel
1994 · M. H. Ludwig, R. E. Hummel, et al. · Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena · 51