Authors
Jacek SZTUBECKI
Faculty of Civil and Environmental Engineering and Architecture, University of Technology and Life Sciences in Bydgoszcz, Bydgoszcz, Poland
Maria MRÓWCZYŃSKA
Faculty of Civil Engineering, Architecture and Environmental Engineering, University of Zielona Góra, Zielona Góra, Poland
Małgorzata SZTUBECKA
Faculty of Civil and Environmental Engineering and Architecture, University of Technology and Life Sciences in Bydgoszcz, Bydgoszcz, Poland