@ARTICLE{Martyniak_Jerzy_A_2001, author={Martyniak, Jerzy}, number={No 4}, journal={Archives of Mining Sciences}, pages={591-517}, howpublished={online}, year={2001}, publisher={Committee of Mining PAS}, type={Article}, title={A criterion and evaluating method of agreement for the determined and true quality of particulate material}, URL={http://czasopisma.pan.pl/Content/132265/PDF-MASTER/9_MINING_46_4_2001_Martyniak_Criterion.pdf}, }