Daniel SilvestreFaculty of Sciences and Technology, Universidade NOVA de Lisboa (FCT-NOVA); COPELABS, LusófonaE-mailová adresa ověřena na: isr.ist.utl.pt
Carlos SilvestreUniversity of Macau, on leave from the Institute for Systems and Robotics (ISR/IST), LARSySE-mailová adresa ověřena na: um.edu.mo