Frangopoulos, Christos A.: 'Research and development on cogeneration' (Energy Engineering, 2017), 'Cogeneration: Technologies, Optimization and Implementation', Chap. 15, pp. 321-327, DOI: 10.1049/PBPO087E_ch15 IET Digital Library, https://digital-library.theiet.org/;jsessionid=anatx9q3swtr.x-iet-live-01content/books/10.1049/pbpo087e_ch15