Dong, Xing-Yu; Yang, Wen-Wen; Tang, Hui; Chen, Jian-Xin: 'Wideband low-profile dielectric resonator antenna with a lattice structure', Electronics Letters, 2017, 53, (19), p. 1289-1290, DOI: 10.1049/el.2017.2604
IET Digital Library, https://digital-library.theiet.org/;jsessionid=54m5e21k37nq4.x-iet-live-01content/journals/10.1049/el.2017.2604