@ARTICLE{_Jerzy_2000, number={No 3}, journal={Archives of Mining Sciences}, pages={317-322}, howpublished={online}, year={2000}, publisher={Committee of Mining PAS}, type={Nécrologie / Obituary}, title={Jerzy Litwiniszyn (1914- 2000) - Obituary}, URL={http://ochroma.man.poznan.pl/Content/132291/PDF/3_MINING_45_3_2000_Litwiniszyn_Obituary.pdf}, }