Villemonte's approach : a general method for modeling uniform and non-uniform performance in stepped fishwaysFuentes-Pérez, Juan Francisco; Garcia-Vega, Ana; Sanz-Ronda, Francisco Javier; Martinez de Azagra Paredes, AndresKnowledge and management of aquatic ecosystems2017 / art. 23, p. 1-11 : illhttps://doi.org/10.1051/kmae/2017013