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[1] UNSCEAR, In: Sources and Effects of Ionizing Radiation, Report of the General Assembly with Scientific Annexes, vol. 1 (New York), 2000
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[2] UNSCEAR, In: Sources and Effects of Ionizing Radiation, Report of the General Assembly with Scientific Annex B, (New York), 1993
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RELATION NAME
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[4] Ministry of Environment and Water in Bulgaria (MEWB), Annual Report 1998, (in Bulgarian)
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[5] ISO 18589-3, Measurement of Radioactivity in the Environment - Soil, Part 3 - Measurement of Gamma-emitting Radionuclides
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[6] ISO 18589-2, Measurement of Radioactivity in the environment - Soil, Part 2: Guidance for the selection of the sampling strategy, sampling and pre-treatment of samples, 2007
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[7] Pimpl M., Yoo B., Yordanova I., Optimization of Radioanalytical Procedure for the Determination of Uranium Isotopes in Environmental Samples, J Radioanal Nucl Ch, 1992, 161(2), 437-441
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RELATION NAME
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[9] Yordanova I., Natural Radioactivity in Samples from Some Regions in the Rila Mountains and around Former Uranium Mining Areas, J Environ Prot Ecol, 2006, 7, No 1,151-156
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[10] Regulation No1/15.11.1999 on norms for radiation protection and safety purposes during liquidating the backlash of uranium mining industry in Republic of Bulgaria