Publikacja jest dostępna bezpłatnie w wersji elektronicznej w ramach otwartego czasopisma. This work initiated by a sabbatical from the University of Maine at Presque Isle and University of Maine System and award of a Fulbright Fellowship to KMc in 2016–2017, and was continued during an additional sabbatical and Kościuszko Fellowship in 2019 to KMc. This study was supported by National Science Centre grant to JW, |