Publication
Maurice Rekrut, Jan Alexandersson, Jochen Britz, Johannes Tröger, Daniel Bieber, Kathleen Schwarz
In: Elena Urdaneta, Brian Worsfold (editor). Ideas, Products, Services ... 'Social Innovation' for Elderly Persons. Chapter 2 Pages 147-157 ISBN 978-84-9144-106-9 Edicions i Publicacions de la Universitat de Lleida 6/2018.