1. Hess, V., Über Beobachtungen der durchdringenden Strahlung bei Sieben Freiballonfahrten, Phys. Z. 13 (1912) 1084.
2. Van Allen, J.A., Ludwig, G.H., Ray, E.C., McIlwain, C.E., Observations of high intensity radiation by satellites 1958 Alpha and Gamma, Jet Propulsion 28 (1958) 588-592.
3. Weber, J., Gravitational-Wave-Detector Events, Phys. Rev. Lett. 20 (1968) 1307.
4. Visentine, J.T. (ed.), Atomic Oxygen Effects Measurements for Shuttle Missions STS-8 and 41-G, Vols. I-III, NASA TM-100459 (1988).
5. Leger, L.J., Visentine J.T., Kuminecz, J.F., Low Earth Orbit Oxygen Effects on Surfaces, AIAA 22nd Aerospace Sciences Meeting, Reno, NV, Jan. 9-12, 1984.