Combinatorial Properties of the Ideal P2. - Jacek Cichon; Andrzej Roslanowski; Juris Steprans; Bogdan Weglorz (J. Symb. Log., 1993)

Splittings. - A. Kamburelis; Bogdan Weglorz (Arch. Math. Log., 1996)

Dualization of The Van Douwen Diagram. - Jacek Cichon; Adam Krawczyk; Barbara Majcher-Iwanow; Bogdan Weglorz (J. Symb. Log., 2000)

Short Ballot Assumption and Threeballot Voting Protocol. - Jacek Cichon; Miroslaw Kutylowski; Bogdan Weglorz (SOFSEM, 2008)