[1]
Krzyżaniak, M., Świerk, D., Szczepańska, M. and Urbański, P. 2018. Changes in the area of urban green space in cities of western Poland. Bulletin of Geography. Socio-economic Series. 39, 39 (Mar. 2018), 65–77. DOI:https://doi.org/10.2478/bog-2018-0005.