'Front Matter' (Energy Engineering, 2017), 'Cogeneration: Technologies, Optimization and Implementation', Chap. fm, pp. -, DOI: 10.1049/PBPO087E_fm IET Digital Library, https://digital-library.theiet.org/;jsessionid=1swj9mnl7aij4.x-iet-live-01content/books/10.1049/pbpo087e_fm