Williamson, Sam J.; Griffo, Antonio; Stark, Bernard H.; Booker, Julian D.: 'Modeling and simulation of a pico-hydropower off-grid network' (Energy Engineering, 2017), 'Modeling and Dynamic Behaviour of Hydropower Plants', Chap. 11, pp. 225-253, DOI: 10.1049/PBPO100E_ch11
IET Digital Library, https://digital-library.theiet.org/;jsessionid=cgqiontojccn9.x-iet-live-01content/books/10.1049/pbpo100e_ch11