Mata-Contreras, J.; Camacho-Peñalosa, C.; Martín-Guerrero, T.M.: 'Diplexing distributed amplifier with improved isolation', Electronics Letters, 2011, 47, (16), p. 922-924, DOI: 10.1049/el.2011.1980
IET Digital Library, https://digital-library.theiet.org/;jsessionid=17451la9jgc9n.x-iet-live-01content/journals/10.1049/el.2011.1980