Schultz, Rafael; Beluco, Alexandre; Petry Homrich, Roberto; Eifler, Ricardo C.: 'A PV hydro hybrid system using residual flow of Guarita Hydro Power Plant, in southern Brazil' (Energy Engineering, 2017), 'Modeling and Dynamic Behaviour of Hydropower Plants', Chap. 9, pp. 187-203, DOI: 10.1049/PBPO100E_ch9 IET Digital Library, https://digital-library.theiet.org/;jsessionid=4okc6b5iassad.x-iet-live-01content/books/10.1049/pbpo100e_ch9