Theoretical studies on the reaction of mono- and ditriflate derivatives of 1, 4: 3, 6-dianhydro-d-mannitol with trimethylamine - Can a quaternary ammonium salt be a source of the methyl group? - Justyna Bednarko; Justyna Wielinska; Karol Sikora; Beata Liberek; Andrzej Nowacki (J. Comput. Aided Mol. Des., 2016)

Pareto Optimal Decisions in Multi-Criteria Decision Making Explained with Construction Cost Cases. - Hubert Anysz; Aleksander Nical; Zeljko Stevic; Michal Grzegorzewski; Karol Sikora (Symmetry, 2021)