{{Cite book| doi = 10.1007/978-3-319-94484-5_3| volume = 789| last1 = Haj Mahmoud| first1 = O.| last2 = Monnet| first2 = T.| last3 = Ahram| first3 = T.Z.| last4 = Abdi| first4 = E.| last5 = Lacouture| first5 = P.| last6 = Taiar| first6 = R.| title = Evaluation of Thumb Joint Angles of Order Pickers| date = 2019}}