Blunt, Shannon D.; Jakabosky, John; Allen, Christopher: 'Radar emission spectrum engineering' (Radar, Sonar and Navigation, 2017), 'Novel Radar Techniques and Applications Volume 2: Waveform Diversity and Cognitive Radar, and Target Tracking and Data Fusion', Chap. 1, pp. 23-59, DOI: 10.1049/SBRA512G_ch1 IET Digital Library, https://digital-library.theiet.org/;jsessionid=q36ee5by7e2l.x-iet-live-01content/books/10.1049/sbra512g_ch1