Fish Ladder Geometrical Sizes and Hydraulic Performances. Experimental Approach Cristina-Catalina Petica, Carmen-Anca Safta, Irina Pincovschi and Lucian Mandrea E3S Web Conf., 112 (2019) 02014 Published online: 20 August 2019 DOI: 10.1051/e3sconf/201911202014