Kozak E., Stefaniak W., Goworek J., Sokołowska Z., Sokołowski S.:  Soil material porosity characterization by thermal desorption of liquids., (1997 r.) Porous Materials 1997, 4, 45-50 

Pachepsky Y., Gimenez D., Logsdon S., Allmaras R., Kozak E.:  On interpretation and misinterpretation of fractal models: A reply to "Comment on number-size distributions, soil structure, and fractals (1997 r.) Soil Science Society of America Journal November-December 1997, 61, 1800-1801