Donnie robot: Towards an accessible and educational robot for visually impaired people. - Guilherme H. M. Marques; Daniel C. Einloft; Augusto C. P. Bergamin; Joice A. Marek; Renan Guedes Maidana; Márcia de Borba Campos; Isabel Harb Manssour; Alexandre M. Amory (LARS/SBR, 2017)