IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, vol. 63, no. 2, page. 559 - 571, 2015-02
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, vol. 60, no. 1, page. 89 - 98, 2012-01
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, vol. 59, no. 12, page. 3463 - 3473, 2011-12