Acikgoz, Hulusi; Arya, Ravi Kumar; Wiart, Joe; Mittra, Raj: 'Statistical electromagnetics for antennas' (Electromagnetic Waves, 2018), 'Developments in Antenna Analysis and Design: Volume 2', Chap. 8, pp. 259-286, DOI: 10.1049/SBEW543G_ch8
IET Digital Library, https://digital-library.theiet.org/;jsessionid=34xur9vsin0nh.x-iet-live-01content/books/10.1049/sbew543g_ch8