Shinohara, Naoki: 'Transmitter/rectifier technologies in WPT via radio waves' (Energy Engineering, 2018), 'Wireless Power Transfer: Theory, technology, and applications', Chap. 9, pp. 155-176, DOI: 10.1049/PBPO112E_ch9
IET Digital Library, https://digital-library.theiet.org/;jsessionid=pbq1llorgc6d.x-iet-live-01content/books/10.1049/pbpo112e_ch9