'Can we use cogeneration?' (Energy Engineering, 2010), 'Cogeneration: A user's guide', Chap. 5, pp. 55-68, DOI: 10.1049/PBRN011E_ch5 IET Digital Library, https://digital-library.theiet.org/;jsessionid=2hi56pom3kek.x-iet-live-01content/books/10.1049/pbrn011e_ch5