OCEAN ENGINEERING, vol. 109, page. 517 - 530, 2015-11-15
INTERNATIONAL JOURNAL OF CONTROL, vol. 88, no. 10, page. 2055 - 2065, 2015-10-03
OCEAN ENGINEERING, vol. 104, page. 568 - 579, 2015-08-01
ELECTRONICS LETTERS, vol. 51, no. 4, page. 341 - 343, 2015-02-19