1. Malawska M., Wiłkomirski B. (1997) - Analysis of soil pollution by polichlorinated biphenyls (PCBs) and heavy metals (Cd, Pb) along railroads. Roczn. PZH 48, 343 349. 2. Malawska M. Wiłkomirski B. (1998) An analysis of soil and plant contamination with heavy metals, PAHs and PCBs near to a railway junctions in Poland w: Third International Symposium and Exibition on Environmental Contamination in Central and Eastern Europe. 15-17 Sept., Warsaw, Poland pp.324-330 3. Malawska M., Wiłkomirski B. (1999) - An analysis of polychlorinated biphenyls (PCBs) content in soil and plant leaves (Taraxacum officinale) in the area of the railway junction Iława Głowna - Toxicological and Environmental Chemistry, 70, 509-515. 4. Malawska M., Wiłkomirski B. (2000) - Soil and plant contamination with heavy metals in the area of the old railway junction Tarnowskie Góry and near two railway routes - Roczn. PZH, 51(3), 259-267 5. Malawska M., Łukowski A., Mikoszewski S., Wiłkomirski B. (2000) - Earthworms (Lumbricidae) as bioindicators of soil contamination with polychlorinated biphenyls (PCBs). Fifth International Symposium and Exhibition on Environmental Contamination in Central and Eastern Europe. 12-14 Sept., Prague , Czech Republic 6. Malawska M., Wiłkomirski B. (2001) - An analysis of soil and plant (Taraxacum officinale) contamination of heavy metals and polycyclic aromatic hydrocarbons (PAHs) in the area of the railway junction Iława Głowna - Water, Air and Soil Pollution, 127, 339-349. 7. Malawska M., Wilkomirski B (2001) Accumulation rate of polychlorinated biphenyls (PCBs) un dandelion (Taraxacum officinale)in the conditions of soil contamination with oil deliverates Roczn. PZH, nr 4, 295-311 8. Malawska M. Bojakowska I., Wilkomirski B. (2001) An analysis of PAHs content in Stratygraphic profile of peat from transitional bog Skieblewo. In: Biogeochemical Processes and Cycling of Elements in the Environment. Eds. Weber J., Jamroz E.,Drozd J., Karczewska A. PTSH, Wrocław, Poland 9. Wiłkomirski B., Bojakowska I., Malawska M., (2002) - An analysis of PAHs content in peat of two selected raised bogs from Poland . Transactions of17th World Congress of Soil Science, 14-21 August, Bangkok, Thailand Vol. VI, pp. 2053-1 - 2053- 6. 5. 10. Malawska M., Bojakowska I., Wiłkomirski B. (2002) Monitoring of polycyclic aromatic hydrocarbons (PAHs) in stratigraphic profile of peat from North-eastern Poland. Transactions of 17th World Congress of Soil Science, 14-21 August, Bangkok, Thailand Vol. VI, pp.2034-1 - 2034- 8. 11. Malawska M., Bojakowska I., Wiłkomirski B. (2002) Polycyclic aromatic hydrocarbons (PAHs) in peat and plants from selected peat-bogs in the north-east Poland. J. Plant Nutr. Soil Sci. 165: 686 - 691. 12. Malawska M. Staszewski T., Wilkomirski B. (2003) The rate of PAHs accumulation in pine needles (Pinus sylvestris L. ) from selected regions with different types of PAHs emission Ecologia Bratislavia 13. Malawska M., Grosset J., Staszewski T., Wiłkomirski B. (2003) Analysis of polycyclic hydrocarbons (PAHs) in grass growing in areas surrounding the "Konin" aluminium smelter. Sixth International Symposium & Exhibition on Environmental Contamination in Central and Eastern Europe and Commonwealth of Independent States. 1-4 Sept., Prague, Czech Republic 14. Ekonomiuk A., Malawska M., Wiłkomirski B. (2003) Petland plants bioindicators of air contamination with polycyclic aromatic hydrocarbons (PAHs) Sixth International Symposium & Exhibition on Environmental Contamination in Central and Eastern Europe and Commonwealth of Independent States. 1-4 Sept., Prague, Czech Republic 15. Kaniewski M., Malawska M., Ekonomiuk A., Wiłkomirski B. (2003) Peat cores as an archive of PAHs sources in Quaternary Sediments. Sixth International Symposium & Exhibition on Environmental Contamination in Central and Eastern Europe and Commonwealth of Independent States. 1-4 Sept., Prague, Czech Republic 16. Wiłkomirski B., Malawska M. (2004) The differentiation of physical and chemical features of ombrotrophic peats from genus Ledo-Pinioni and Ombro-Sphagnioni formed in various habitat conditions. Wise Use of Peatlands. Vol. 2. 1169-1172, Ed. J. Paivanen, Tampere, Finland 17. Malawska M., Wilkomirski B. (2004) Geochemical characteristics if mesotrophic and eutrophic peats. Wise Use of Peatlands. Vol. 2. 1134-1138, Ed. J.PaivanenTampere,Finland 18. Ekonomiuk A., Rycharski M., Malawska M., Wilkomirski B (2004) The raised bog "Bagno Bruch"- soil and habitat conditions. Wise Use of Peatlands. Vol. 2. 853-857, Ed. J. Paivanen, Tampere, Finland 19. Malawska M., Ekonomiuk A., Wiłkomirski B. (2005) Chemical characteristics of some peatlands in southern Poland Mires and Peatland .Vol. 1, 1-15. 20. Malawska M., Wiłkomirski B., (2004) Characteristics of humic substances in peat of selected peatlands from north-eastern Poland. Soil Science and Plant nutrition 50(6), 931 - 934. 21. Malawska M., WiłkomirskiB., (2004) Geochemistry and geochemical differentiation on major elements in selected peat bog profiles (south-east of Poland), Soil Science and Plant Nutrition 50(6), 925 - 930. 22. Wiłkomirski B., Malawska M., Abdrahmanov T., & L. Tursunov (2004) Humification degree of the meadow-alluvial soils from delta of AmuDarya River - In: Humicsubstances and soil and water environment. Eds. L. Martin-Neto., Dmilori., W. Lopesda Silva, Sao Pedro, Brazil pp.106 - 107 23. Malawska M., & B. Wiłkomirski (2004) Evaluation of humic and fulvic acid contents in oeat soils from different bogs and fens - In: Humic substances and soil and water environment. Eds. L. Martin-Neto., Dmilori., W. Lopes da Silva, Sao Pedro, Brazil pp.106 – 107. 24. Wiłkomirski B., Malawska M. (2003) Characterisics of humic substances in peat of selected peatlands from north-eastern Poland. 16th International Symposium on Environmental Biogeochemistry. ISEB XVI Abstracts (II) p.161, Sept. 1-6 Oirase in Towada Hachimantai National Park, Aomori Prefecture, Japan 25. Malawska M., Wiłkomirski B. (2003) The use of Dutsch myrthe (Ledum palustre) and pine needles (Pinus sylvestris) to detect the Polycyclic aromatic hydrocarbons (PAHs) at regional scale. Toxicology Letters Vol.144, Suppl.1,s.175, Abstracts of the 41st Congress of the European Societies of Toxicology EUROTOX 2003 "Science for Safety", 28 Sept.-1 Okt., Florence, Italy. 26. Wiłkomirski B., Malawska M., Dembek W., Gutry P.(2005) The influence of deepseated peatland fire on carbon content changes in organic soil and ecological succession in the burnt area. The Joint International Symposia for Subsurface Microbiology (ISSM 2005) and Environmental Biogeochemistry (ISEB XVII). p 52,Aug. 14-19, Jackson Hole, Wyoming, 26. Malawska M., Antoniak J., Abdrakhmanov T., Tursunov L., Wiłkomirski B. (2005) Impact of soil erosion on terrestrial carbon storage in semi-arid zone (Uzbekistan). The Joint International Symposia for Subsurface Microbiology (ISSM 2005) and Environmental Biogeochemistry (ISEB XVII).p. 72, Aug. 14-19 Jackson Hole, Wyoming. 28. Wilkomirski B., Malwska M. (2006) Concentration of polycyclic aromatic hydrocarbons as factor of risk assessment for therapeutically applied peat Dubrovnik, Croatia 2006 EUROTOX : 29. Malawska M., Wilkomirski B. (2007) A comparative study of the chemical composition of the peat deposit after deep-seated fire on Biele Suchowolskie fen (The Biebrza National Park). th Taupo, New Zealand 2007.: 18 International Symposium on Environmental Biogeochemistry 30. Metrak M., Wilkomirski B., Malawska M. (2009) Modeling of heavy metals migration in peat deposits of three peat bogs from northeastern and southeastern Poland. ISEB 2009 Environmental Changes and Sustainability of Biogeochemical Cycling, Hamburg 14-18 sept. 2009. 31. Malawska M. Wójcik B (2009) Plant diversification on the burnt mire as a result of anthropogenic eutrophisation . ISEB 2009 Environmental Changes and Sustainability of Biogeochemical Cycling, Hamburg 14-18 sept. 2009. 32. Mętrak M., Błocka A., Wiłkomirski B., Suska-Malawska M. (2009) Differences in FA factor, PAHs and lipid content in leaves of Pinus silvestris (Scots Pine) and betula sp. (Birch) from two forest peatlands in Poland. World Forest Congress, Buenos Aires 33. Metrak M., Jarzyna I., Suska-Malawska M (2011)Connections between peat geochemical properties and its capability to accumulate organic and inorganic pollutants Wetpol and Wetland Biogeochemistry Symposium 3-8 July Prague, Czech republic. 34. Suska-Malawska M., Metrak M., Wilkomirski B (2011) Applicability of chosen peat geochemical features to reconstruct past climatic changes on the example of a raised bog from southern Poland , ISEB 20 27-2011 Istanbul, Turkey 35. Wilkomirski B., Galera H., Sudnik Wojcikowska B., Malawska M., Staszewski T (2011) Persistence of PAHs contamination in abandoned railway tracks. ISEB 20 27-2011 Istanbul, Turkey