A stereo vision system for real time obstacle avoidance in unknown environment. - F. Ferrari; Enrico Grosso; Giulio Sandini; M. Magrassi (IROS, 1990)

A visually guided mobile robot acting in indoor environments. - Marco Fossa; Enrico Grosso; F. Ferrari; M. Magrassi; Giulio Sandini; M. Zapendouski (WACV, 1992)