Griffiths, Hugh; Palama, Riccardo: 'Clutter diversity' (Radar, Sonar and Navigation, 2017), 'Novel Radar Techniques and Applications Volume 2: Waveform Diversity and Cognitive Radar, and Target Tracking and Data Fusion', Chap. 6, pp. 195-214, DOI: 10.1049/SBRA512G_ch6
IET Digital Library, https://digital-library.theiet.org/;jsessionid=1rqhutrfdv6wa.x-iet-live-01content/books/10.1049/sbra512g_ch6