1. Aggson, T.L., Heppner, J.P., and Maynard, N.C.: 1967, ?Test Flight of a Triaxial dc Electric Field Payload?, Transactions A.G.U. 48, 156.
2. Albert, R.D.: 1967a, ?Nearly Monoenergetic Electron Fluxes detected during a Visible Aurora?, Phys. Rev. Letters 18, 369.
3. Albert, R.D.: 1967b, ?Detection of the Presence of Alpha Particles in Auroral Fluxes?, Transactions A.G.U. 48, 180, revised abstract.
4. Anger, C.D.: 1967, ?Review of Rocket Auroral Measurements?, in Aurora and Airglow (ed. by B.M. McCormac). Reinhold Publishing Corp., New York, p. 211.
5. Baker, K.D.: 1966, ?Direct In Situ Measurements of Auroral Parameters?, Ph. D. Thesis, University of Utah, and Upper Air Research Report UU 66-8, AFCRL 66-413.