IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, vol. 62, no. 6, page. 1352 - 1362, 2014-06
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, vol. 24, no. 4, page. 263 - 265, 2014-04
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, vol. 62, no. 3, page. 567 - 578, 2014-03