Automatica. A Journal of IFAC, the International Federation of Automatic Control (Automatica J. IFAC) (20060101), 42, no.~9, 1589-1592. ISSN: 0005-1098 (print).eISSN: 1873-2836.
Institute of Electrical and Electronics Engineers. Transactions on Automatic Control (IEEE Trans. Automat. Control) (20030101), 48, no.~6, 1007-1012. ISSN: 0018-9286 (print).eISSN: 1558-2523.
Automatica. A Journal of IFAC, the International Federation of Automatic Control (Automatica J. IFAC) (20030101), 39, no.~6, 1109-1112. ISSN: 0005-1098 (print).eISSN: 1873-2836.
Institute of Electrical and Electronics Engineers. Transactions on Automatic Control (IEEE Trans. Automat. Control) (20060101), 51, no.~8, 1404-1405. ISSN: 0018-9286 (print).eISSN: 1558-2523.
Institute of Electrical and Electronics Engineers. Transactions on Automatic Control (IEEE Trans. Automat. Control) (19980101), 43, no.~8, 1110-1111. ISSN: 0018-9286 (print).eISSN: 1558-2523.