References
- Gedeonov, L. I. & Rys'yev, 0. A. 1969. Annual course of variations in the concentrations of 7Be, “S and 82P in surface air and in fallout in the area of Leningrad during 1963-1966. USAEC Report—AEC-TR-7128.
- Marenco, A. & Fontan, J. 1974. Etude des varia-tions des 7Be, 32P, 20Sr, 270Pb et 270Po dans la troposphere. Taus 25, 386.
- Hvinden, T., Lillegraven, A. & Lielesaester, 0. 1965. Precipitation as a cause of seasonal and latitudinal variations in radioactivity fallout. Nature 206, 461.
- Rangarajan, C., Gopalakrishnan, S., Chandrase-karan, V. R. & Eapen, C. D. 1965. The relative concentrations of radon daughter products in surface air and the significance of their ratios. Accepted for publication in J. Geophys. Rea. Reiter, R., Sladkovic, R., Potzl, K., Carnuth, W. & Kanter, H. J. 1970. Measurements of airborne radioactivity and its meteorological application. USAEC Report NYO-4061-2.
- Volchok, H. L. 1965. Characteristics of relative “Sr concentrations in surface air. Proceedings of 2nd Conference, Germantown, Maryland. USAEC Report No. CONF-765.