@ARTICLE{Szul_Tomasz_Comparison_2014,
 author={Szul, Tomasz and Nęcka, Krzysztof},
 number={No 4},
 journal={Teka Commission of Motorization and Power Industry in Agriculture},
 howpublished={online},
 year={2014},
 publisher={The Lublin Branch of the Polish Academy of Sciences},
 title={Comparison of the Usefulness of Cluster Analysis and Rough Set Theoryin Estimating the Rate of Mass Accumulation of Waste in Rural Areas},
}