Okońska, M. and Pietrewicz, K. 2017. PHYSICAL AND CHEMICAL PROPERTIES OF SURFACE WATERS IN THE RÓŻANY STRUMIEŃ CATCHMENT IN THE YEARS 1988–2012. Quaestiones Geographicae. 36, 1 (Mar. 2017), 33–49. DOI:https://doi.org/10.1515/quageo-2017-0003.