[Act No. 220/2004 on protection and use of agricultural soil. Appendix 2 - Limit values of risk elements in agricultural soil (in Slovak).]Search in Google Scholar
[Al-Khashman, O.A. & Shawabkeh R.A. (2006). Metals distribution in soils around the cement factory in southern Jordan. Environ. Pollut., 140, 387-394. DOI: 10.1016/j.envpol.2005.08.023.10.1016/j.envpol.2005.08.023]Search in Google Scholar
[Delhaize, E. & Ryan P. (1995). Aluminium toxicity and tolerance in plants. Plant Physiol., 107(2), 315-321. DOI: 10.1104/pp.107.2.315.10.1104/pp.107.2.315]Search in Google Scholar
[Hazlett, P.W., Rutherford, G.K. & Van Loon G.W. (1984). Characteristics of soil profiles affected by smelting of nickel and copper at Coniston, Ontario, Canada. Geoderma, 32, 273-285.10.1016/0016-7061(84)90007-7]Search in Google Scholar
[Jamnicka, G., Bučinova, K., Havranova, I. & Urban A. (2007). Current state of mineral nutrition and risk elements in a beech ecosystem situated near the aluminium smelter in Žiar nad Hronom, Central Slovakia. For. Ecol. Manag., 248(1-2), 26-35. DOI: 10.1016/j.foreco.2007.02.033.10.1016/j.foreco.2007.02.033]Search in Google Scholar
[Janik, R. (2010). Biomas production of Viola reichenbachiana L. in submountain beech forest of Kremnicke vrchy. Folia Oecologica, 37(1), 35-41.]Search in Google Scholar
[Kabata-Pendias, A. (2011). Trace elements in soils and plants. Boca Raton, FL: CRC Press/Taylor and Francis Group.]Search in Google Scholar
[Komanicka, E. (2009). Geogenic origin of chromium and nickel in the soils and their transfer to the assimilation organs of trees in flysh area of the eastern Slovakia. Acta Geol. Slovaca, 1(1), 33-38.]Search in Google Scholar
[Kukla, J. & Kuklova M. (2008). Growth of Vaccinium myrtillus L. (ERICACEAE) in spruce forests damaged by air pollution. Pol. J. Ecol., 56(1), 149-155.]Search in Google Scholar
[Kuklova, M. & Kukla J. (2006). Phytoparameters and content of risk elements in Dryopteris dilatata (Hoffm.) A. Gray populations. Folia Oecologica, 33(2), 102-107.]Search in Google Scholar
[MA SR (1994). Decision of the Ministry of Agriculture of the Slovak Republic on maximum allowable values of harmful substances in soil and on designation of organisations qualified to detect the real values of these substances, 531/1994-540 (in Slovak). Bulletin MP SR, Bratislava, 9 pp.]Search in Google Scholar
[Maciejewska-Rutkowska, I., Antkowiak, W., Jagodziński, A.M., Bylka, W. & Witkowska-Banaszczak E. (2007). Chemical composition and morphology of basas leaves of Trollius europaeus L. and T. altissimus Crantz (Ranunculaceae). Pol. J. Environ. Stud., 16(4), 595-605.]Search in Google Scholar
[Makovnikova, J., Barančikova, G., Dlapa, P. & Dercova K. (2006). Inorganic contaminants in soil ecosystems. Chemické Listy, 100(6), 424-432.]Search in Google Scholar
[Maňkovska, B., 1996: Geochemical atlas of Slovakia - forest biomass (in Slovak). Bratislava: Geologicka služba.]Search in Google Scholar
[Maňkovska, B. & Oszlanyi J. (2010). Temporal trends (1990-1997) in element accumulation in oak leaves and soil on Bab sites. Ekológia (Bratislava), 29(3), 247-257. DOI: 10.4149/ekol_2010_03_247.10.4149/ekol_2010_03_247]Search in Google Scholar
[Markert, B. (1995). Instrumental multielement analysis in plant materials. Rio de Janeiro: Serie Tecnologia Ambiental.]Search in Google Scholar
[McLean, J.E. & Bledsoe B.E. (1992). Behavior of metals in soils. Ground Water Issue, EPA/540/S-92/018.]Search in Google Scholar
[ME SR (2008). Report on the environmental situation in Slovakia in year 2008 (in Slovak). Banska Bystrica, Bratislava: SAŽP, MŽP SR. ]Search in Google Scholar
[Mossor-Pietraszewska, T. (2001). Effect of aluminium on plant growth and metabolism. Acta Biochim. Pol., 48(3), 673-686.10.18388/abp.2001_3902]Search in Google Scholar
[Pichler, V., Bublinec, E. & Gregor J. (2006). Acidification of forest soils in Slovakia - causes and consequences. J. Forest Sci., 52 (Special issue), 23-27.10.17221/10156-JFS]Search in Google Scholar
[Piš, V. & Novakova K. (2002). Influence of soil properties on the heavy metals mobility. Phytopedon (Bratislava), Suppl. 1, 180-186.]Search in Google Scholar
[Rajčakova, Ľ., Gallo, M. & Mlynar R. (2003). Quality of grass stands grown in environment contaminated with industrial emissions (in Slovak). In P. Massanyi et al. (Eds.), Rizikové faktory potravového reťazca (pp. 125-126). Nitra: SPU.]Search in Google Scholar
[Šaly, R. (1978). Soil, the ground of forest production (in Slovak). Bratislava: Priroda.]Search in Google Scholar
[Takač, P., Kozakova, Ľ., Vaľkova, M. & Zeleňak F. (2008). Heavy metals in soils in middle Spiš (in Slovak). Acta Montanistica Slovaca, 13 (1), 82-86.]Search in Google Scholar
[Uhlig, C. & Junttila O. (2001). Airborne heavy metal pollution and its effects on foliar elemental composition of Empetrum hermaphroditum and Vaccinium myrtillus in Sor - Varanger, northern Norway. Environ. Pollut. 114, 461-469. DOI: 10.1016/S0269-7491(00)00225-6.10.1016/S0269-7491(00)00225-6]Search in Google Scholar
[Zeidler, M. (2005). Heavy metals in two herb species (river Morava, Czech republic). Pol. J. Ecol., 53(2), 185-195.]Search in Google Scholar