TSAI, Feng-Chi E.; BIALKOWSKI, Marek E. Spatial power combiner using a planar active transmitarray of stacked patches. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 20, n. 2, p. 45–49, 2005. DOI: 10.26636/jtit.2005.2.308. Disponível em: https://www.jtit.pl/jtit/article/view/308. Acesso em: 14 jun. 2026.