1. M. Einsenbud, Environmental Radioactivity, Academic Press, New York, 1987.
2. O. Berkovski, O. Voitsekhovitch, M. Nasvit, U. Zhelezniak, U. Sansone, The radiological consequences of the Chernobyl accident, in: A. Karaoglu, G. Desmet, G.N. Kelly, H.G. Menzel (Eds.), European Commission, ISBN 92-827-5248-8, 1996, pp. 283–293.
3. G. Rauret, S. Firsakova, The Transfer of Radionuclides Through the Terrestrial Environment to Agricultural Products, Including the Evaluation of Agrochemical Practises, EUR 16544 EN Office for Official Publications of the European Communities, ISBN 92-827-5248-8, 1996.
4. Liquid scintillation spectrometry in environmental measurements
5. L. Salonen, Determination of 90Sr and 89Sr in Environmental Samples by LSC, in: Paper Presented at International Symposium on Scintillation Counting and Related Techniques, 1977.