Theory of the dielectric constant in the individual-ion model of ionic and rare-gas crystalsJean Heinrichs1969Physical Review
Magnetic Davydov splittings in the optical absorption spectrum of Cr2O3J.W. AllenR.M. Macfarlaneet al.1969Physical Review
Soft modes, critical fluctuations, and optical properties for a two-valley model of gunn-instability semiconductorsE. PytteH. Thomas1969Physical Review
Longitudinal anisotropy of the high-field conductivity of n-type germanium at room temperatureJohn E. Smith Jr.1969Physical Review