Kowalski, M. i Wiśniewski, S. 2013. Service function of historic buildings in small towns of the Lodz region. Acta Universitatis Lodziensis. Folia Geographica Socio-Oeconomica. 15 (sty. 2013), 151–165. DOI:https://doi.org/10.18778/1508-1117.15.10.