{{Cite book| doi = 10.1007/978-3-319-60582-1_48| volume = 588| last1 = Skendraoui| first1 = N.| last2 = Bogard| first2 = F.| last3 = Murer| first3 = S.| last4 = Ahram| first4 = T.| last5 = Taiar| first5 = R.| title = Optimization and ergonomics of novel modular wheelchair design| date = 2018}}