1. Abbazov, M. A., Dergunov, I. D., & Mikulin, R. G. (1978). Effect of soil properties on the accumulation of Sr-90 and Cs-137 in crops. Soviet Soil Science, 10, 52–56.
2. Antonopoulos-Domis, M., Clouvas, A., Xanthos, S., & Alifrangis, D. A. (1997). Radiocesium contamination in a Sub Mediterranean semi-natural ecosystem following the Chernobyl accident: measurements and models. Health Physics, 72, 243–255.
3. Base, C. F., Sharp, R. D., Sjoreen, A. L., & Shor, R. W. (1984). A review and analysis of parameters for assessing transports of environmentally released radionuclides through agricultures. ORNL-5786. Oak Ridge: Oak Ridge National Laboratory.
4. Bergeiik, K. E., Van-Noordijk, H., Lembrechts, J., & Frissel, M. J. (1992). Influence of pH, soil type and soil organic matter content on soil- to- plant transfer of radio Cs and Sr as analysed by a non-parametric method. Journal of Environmental Radioactivity, 15, 265–276.
5. Bowen, H. J. M. (1979). Environmental chemistry of the elements pp. 60–61. New York: Academic.