de Groot, Sonja, Riemer Vegter, Coen Vuijk, Frank van Dijk, Corien Plaggenmarsch, Maurits Sloots, Janneke M Stolwijk-Swüste, Ferry Woldring, Marga Tepper, and Lucas HV van der Woude. 2014. “WHEEL-I: Development of a Wheelchair Propulsion Laboratory for Rehabilitation”. Journal of Rehabilitation Medicine 46 (6):493-503. https://doi.org/10.2340/16501977-1812.