Operations with multiple unmanned systems. - Hugo Dias; Pedro Calado; Ricardo Bencatel; Ricardo Gomes; Sérgio Ferreira; João B. Sousa (IROS, 2012)

Integral Line-of-Sight Guidance and Control of Underactuated Marine Vehicles: Theory, Simulations, and Experiments. - Walter Caharija; Kristin Ytterstad Pettersen; Marco Bibuli; Pedro Calado; Enrica Zereik; José Braga; Jan Tommy Gravdahl; Asgeir J. Sørensen; Milan Milovanovic; Gabriele Bruzzone (IEEE Trans. Control. Syst. Technol., 2016)