Chiandone, Massimiliano; Sulligoi, Giorgio; Arcidiacono, Vittorio: 'Real-time applications for electric power generation and voltage control' (Energy Engineering, 2016), 'Advances in Power System Modelling, Control and Stability Analysis', Chap. 7, pp. 241-274, DOI: 10.1049/PBPO086E_ch7
IET Digital Library, https://digital-library.theiet.org/;jsessionid=meqk0oalcdtq.x-iet-live-01content/books/10.1049/pbpo086e_ch7