@ARTICLE{Siciński_Jacek_In_2017,
 author={Siciński, Jacek},
 volume={vol. 38},
 number={No 2},
 journal={Polish Polar Research},
 pages={263-264},
 howpublished={online},
 year={2017},
 publisher={Polish Academy of Sciences},
 publisher={Committee on Polar Research},
 title={In Memoriam Professor Ryszard Ligowski (1946–2017) a scientist and a polar explorer},
 URL={http://www.journals.pan.pl/Content/100877/PDF/10183_Volume38_Issue2_08_paper.pdf},
 doi={10.1515/popore-2017-0016},
}