1. Aegerter, S., N. Bhandari et al.: Be-7 and P-32 in Ground Level Air. TellusXVIII, 212 (1966).
2. Bleichrodt, J. F., andE. R. van Abkounde: On the Deposition of Cosmic Ray Produced Beryllium-7. J. Geophys.68, 5283–5288 (1963).
3. Branson, B., E. Tabor et al.: Detection of Fallout from Chinese Nuclear Test of October 16, 1964, by the National Air Sampling Network. Radiol. Heath Data6, 188 (1965).
4. Cerrai, E., andC. Triutzi: Gamma Radioactivity in Fallout, Samples at Milan after the First and the Second Chinese Nuclear Explosion. Energia Nucl.12, 488 (1965).
5. Danielsen, E. F.: A Determination of the Mass Transported from Stratosphere to Troposphere over North America during a thirty-six Hour Interval (abstract). Mitt. Dt. Wetterdienst20 (3), 10–11 (1959).