De Luca, Vanessa and Bertolo, Maresa and Zannoni, Michele (2012) Around Play and Interaction Design Research. In: Wichert, Reiner and Van Laerhoven, Kristof and Gelissen, Jean , (eds.) Constructing Ambient Intelligence. Communications in Computer and Information Science (277). Springer, pp. 218-223. ISBN 978-3-642-31478-0