1. Early work on D/μ and ω measurements is reviewed in R. H. Healey and J. W. Reed, The Behavior of Slow Electrons in Gases (Amalgamated Wireless, Ltd., Sydney, Australia, 1941).
2. L. G. H. Huxley, Phil. Mag. 30, 396 (1940).PHMAA40031-8086
3. R. W. Crompton and D. J. Sutton, Proc. Roy. Soc. (London) A215, 467 (1952).PRLAAZ1364-5021
4. R. W. Crompton and R. L. Jory, Austral. J. Phys. 15, 451 (1962).AUJPAS0004-9506
5. L. W. Cochran and D. W. Forester, Phys. Rev. 126, 1785 (1962).PHRVAO0031-899X