@ARTICLE{Brożek_Marian_The_2003,
 author={Brożek, Marian and Oruba-Brożek, Ewa},
 number={No 1},
 journal={Archives of Mining Sciences},
 pages={133-147},
 howpublished={online},
 year={2003},
 publisher={Committee of Mining PAS},
 type={Article},
 title={The effect of surface-active compounds on the tensile strength of limestone and porphyry particles},
 URL={http://ochroma.man.poznan.pl/Content/131896/PDF-MASTER/9_MINING_48_1_2003_Brozek_EFFECT.pdf},
}