Remarks on nonmeasurable unions of big point families. - Robert Ralowski (Math. Log. Q., 2009)

Bernstein sets and kappa -coverings. - Jan Kraszewski; Robert Ralowski; Przemyslaw Szczepaniak; Szymon Zeberski (Math. Log. Q., 2010)

Families of sets with nonmeasurable unions with respect to ideals defined by trees. - Robert Ralowski (Arch. Math. Log., 2015)

Nonmeasurable Sets and Unions with respect to Tree ideals. - Marcin Michalski; Robert Ralowski; Szymon Zeberski (Bull. Symb. Log., 2020)

Mycielski among trees. - Marcin Michalski; Robert Ralowski; Szymon Zeberski (Math. Log. Q., 2021)

Ideals with Smital properties. - Marcin Michalski; Robert Ralowski; Szymon Zeberski (Arch. Math. Log., 2023)

The Set-Cover game and non-measurable unions. - Taras Banakh; Robert Ralowski; Szymon Zeberski (Ann. Pure Appl. Log., 2025)

On algebraic sums, trees and ideals in the Baire space. - Lukasz Mazurkiewicz; Marcin Michalski; Robert Ralowski; Szymon Zeberski (Arch. Math. Log., 2025)