Klemm, Richard; Nickel, Ulrich; Gierull, Christoph; Lombardo, Pierfrancesco; Griffiths, Hugh; Koch, Wolfgang (ed.): 'Novel Radar Techniques and Applications Volume 1: Real Aperture Array Radar, Imaging Radar, and Passive and Multistatic Radar' (Radar, Sonar and Navigation, 2017) DOI: 
IET Digital Library, https://digital-library.theiet.org/;jsessionid=1bgu5upmx380n.x-iet-live-01content/books/ra/sbra512f