1. d’Aiutolo, C. T. 1964. Satellite measurements of the meteoroid environment. In Annals of the New York Academy of Sciences, 119, Cosmic Dust, ed. W. A. Cassidy (New York: published by the Academy), pp. 82–97.
2. Alexander, W. M. 1962. Cosmic dust. Science, 138, pp. 1098–1099.
3. Alexander, W. M., Arthur, C. W., and Bohn, J. L. 1971. Lunar Explorer 35 and OGO 3: dust particle measurements in selenocentric and cislunar space from 1967 to 1969. In Space Research, XI, eds. K. YA. Kondratyev, M. J. Rycroft, and C. Sagan (Berlin: Akademie-Verlag), pp. 279–285.
4. Alexander, W. M., McCracken, C. W., Secretan, L., and Berg, O. E. 1963. Review of direct measurements of interplanetary dust from satellites and probes. In Space Research, III, ed. W. Priester (Amsterdam: North Holland Publ. Comp.), pp. 891–917.
5. Allen, C. W. 1947. The spectrum of the corona at the eclipse of 1940 October 1. M.N.R.A.S., 106, pp. 137–150.