Effect of Landscape Use on Water Quality of the Žitava River
Viera Petlušová, Peter Petluš, Martin Zemko, Ľubomír Rybanský
Agricultural utilisation and potential suitability of the Sysľovské polia Special Protection Area (south-western Slovakia) landscape in relation to the habitat requirements of the red-footed falcon (Falco vespertinus)
Martin Zemko, Peter Petluš, Viera Petlušová