[1] VERL, Alexander, ALBU-SCHÄFFER Alin, BROCK, Oliver and RAATZ, Annika., Soft Robotics Transferring Theory to Application. Berlin, Heidelberg : Springer Berlin Heidelberg, 2015. ISBN 978-3-662-44506-8
[2] Soft robotics: trends, applications and challenges: proceedings of the Soft Robotics Week, April 25-30, 2016, Livorno, Italy. Springer., 2016. ISBN 978-3-319-46460-2