1. Faria, B.M., Reis, L.P., Lau, N.: A methodology for creating an adapted command language for driving an intelligent wheelchair. J. Intell. Robot. Syst. 80(3–4), 609–623 (2015)
2. Rego, P., Moreira, P.M., Reis, L.P.: Serious games for rehabilitation: a survey and a classification towards a taxonomy. In: 5th Iberian Conference on Information Systems and Technologies, Santiago de Compostela, Spain, vol. I, pp. 349–354 (2010)
3. Boccia International Sports Federation. Home (2016). http://www.bisfed.com/
4. Burke, J.W., McNeill, M.D.J., Charles, D.K., Morrow, P.J., Crosbie, J.H., McDonough, S.M.: Optimising engagement for stroke rehabilitation using serious games, vol. 25, no. 12, pp. 1085–1099. The Visual Computer (2009)
5. Barbosa, M.J.T.: Development of an intelligent wheelchair 3D simulator/visualizer. Master’s Degree (FEUP), Porto (2011)