Hager, W.H.Bretz, N.V.2007-04-242007-04-242007-04-24198610.1080/00221688609499303https://infoscience.epfl.ch/handle/20.500.14299/5538Hydraulic jumps at positive and negative steps (Wasserspruenge an positiven und negativen Stufen)text::journal::journal article::research article