P. C. Bettler

Field-emission studies of surface migration for tungsten, rhenium, iridium, and rhodium

P. C. Bettler, G. Barnes, P. Bettler, 1968 .

Activation Energy for the Surface Migration of Tungsten in the Presence of a High-Electric Field

P. C. Bettler, F. Charbonnier, P. Bettler, 1960 .