'Design and testing for wave and tidal devices' (Energy Engineering, 2017), 'Wave and Tidal Generation Devices: Reliability and availability', Chap. 9, pp. 151-162, DOI: 10.1049/PBRN018E_ch9
IET Digital Library, https://digital-library.theiet.org/;jsessionid=7epf36u7hpi7i.x-iet-live-01content/books/10.1049/pbrn018e_ch9