1. COMPARISON BETWEEN THE MAIN HIDROLOGICAL CHARACTERS OF SÉD STREAM IN VESZPRÉM AND SEBES-KÖRÖS TOGETHER WITH HOLT-SEBES-KÖRÖS IN BÉKÉS AS SIMPLE AREAS OF THE WATER FRAMEWORK DIRECTIVE. Authors: KÁROLY PENKSZA, ÁKOS RÉDEY, ZOLTÁN ZSILÁK, ZSÓFIA KOVÁCS, CSILLA SZALKAY.