HORVÁTH, Ján - PEKÁRIK, Ladislav. Diel Dynamics of Surface and bottom drifting animals in large rivers. In Proceedings of the 4th Aquatic Biodiversity International Conference 2013. - "Lucian Blaga" University of Sibiu, faculty of Scientes, Romania, 2013, p. _. ISBN 978-606-12-0585-1.