R.P.Masztalski and  M.Michalski,  Contemporary Housing Indicators in Poland on the Wroclaw Study Case.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2011, vol. 53(5). 247 - 254
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/6325.