Fornaro, Gianfranco; Pauciullo, Antonio: 'Interferometric and tomographic SAR' (Radar, Sonar and Navigation, 2017), 'Novel Radar Techniques and Applications Volume 1: Real Aperture Array Radar, Imaging Radar, and Passive and Multistatic Radar', Chap. 8, pp. 361-406, DOI: 10.1049/SBRA512F_ch8
IET Digital Library, https://digital-library.theiet.org/;jsessionid=dvm59lu5qx74.x-iet-live-01content/books/10.1049/sbra512f_ch8