'Nature of returns from the surface and tactical targets' (Radar, Sonar and Navigation, 2018), 'Tactical Persistent Surveillance Radar with Applications', Chap. 3, pp. 93-131, DOI: 10.1049/SBRA524E_ch3
IET Digital Library, https://digital-library.theiet.org/;jsessionid=dc63gtgu4lff.x-iet-live-01content/books/10.1049/sbra524e_ch3