Kacprzak, Ewa, and Barbara Maćkiewicz. 2013. “FARMLAND CONVERSION AND CHANGES IN THE LAND- USE PATTERN IN THE POZNAŃ AGGLOMERATION OVER THE YEARS 2000–2009”. Quaestiones Geographicae 32 (4):91-102. https://doi.org/10.2478/quageo-2013-0036.