1. P. F. Bondar’, Yu. A. Ivanov, and A. G. Ozornov, “Assessment of the Relative Biological Availability of Cesium-137 in Fallout and Its Total Biological Availability in Soils Subjected to Radioactive Contamination,” in Problems of Agricultural Radiology (Kiev, 1991), pp. 74–78 [in Russian].
2. A. A. Bulgakov and A. A. Konoplev, “Diffusional Model for Radionuclide Fixation in Soils: A Comparison with Experimental Data and Other Models,” Geokhimiya, No. 2, 218–222 (2001) [Geochem. Int. 39 (2), 191–195 (2001)].
3. A. A. Bulgakov and A. V. Konoplev, “Parameters of a Diffusional Model of 137Cs and 90Sr Fixation in Soils,” Pochvovedenie, No. 4, 470–473 (2002) [Eur. Soil Sci. 35 (4), 417–420 (2002)].
4. A. A. Bulgakov, A. V. Konoplev, and R. Avila, “Simulation of Radiocesium Accumulation by Plants and Fungi under the Vertical Heterogeneity of Soil Properties and Radionuclide Distribution,” Radiats. Biol. Radioekol., No. 2, 226–231 (2001).
5. A. A. Bulgakov, A. V. Konoplev, and V. E. Popov, “Effect of Ammonium Concentration on the Fixation Rate of 137Cs in Soil Suspensions,” Radiats. Biol.: Radioekol., No. 5, 561–563 (2002).