Water retention in urban areas in the Danube Region: study on facts, activities, measures and their financial assessment [elektronický zdroj] : / Jozefína Pokrývková, Ľuboš Jurík, Richard Hanzlík . Nitra :  Slovak University of Agriculture , 2020 . 1 online zdroj (69 s) . ISBN 978-80-552-2299-8
Digitálna knižnica http://www.slpk.sk/eldo/2021/dl/9788055222998/9788055222998.pdf .