Djerafi, T.; Wu, K.; Tatu, S.O.: 'Substrate-integrated waveguide phase shifter with rod-loaded artificial dielectric slab', Electronics Letters, 2015, 51, (9), p. 707-709, DOI: 10.1049/el.2015.0286
IET Digital Library, https://digital-library.theiet.org/;jsessionid=2e32f0jf6ipd7.x-iet-live-01content/journals/10.1049/el.2015.0286