Kwiatkowska-Malina J., Sokołowska Z., Maciejewska A.:  Specific surface area of humic acids isolated from soils amended with different organic matter determined from water vapour and nitrogen adsorption data (2010 r.) XV Meeting of the International Humic Substances Society "Advances in Natural Organic Matter and Humic Substances Research 2008-2010", Tenerife, Puerto de la Cruz, 27.07-02.08.2010 r. 2010, Vol. 2, 97-100

Sokołowska Z., Kwiatkowska J., Maciejewska A.:  Adsorpcja pary wodnej na naturalnych węglach brunatnych różnego pochodzenia. (2007 r.) Acta Agrophysica 2007, 147, 9(2), 481-494 

Kwiatkowska J., Sokołowska Z., Maciejewska A.:  Selected physical and chemical properties for evaluating Brown coals used for soil reclamation. (2006 r.) International Agrophysics 2006, 20, 2, 121-128 

Kwiatkowska J., Sokołowska Z., Maciejewska A.:  Selected chemical, physical and physicochemical properties of brown coal. (2005 r.) Institute of Agrophyscis PAS, Lublin, "Review of Current Problems in Agrophysics" 2005, Chapter 5, Physics and Physical Chemistry in Environmental Processes, 418-422