American Control Conference, 2020-07-01
American Control Conference, page. 897 - 901, 2004-06-01
American Control Conference, page. 2862 - 2867, 2015-07-02
American Control Conference, page. 612 - 617, 2001-06-25
American Control Conference, page. 2417 - 2422, 2017-05-25