Thomas Binder Giorgio De Michelis Pelle Ehn Giulio Jacucci Per Linde Ina Wagner What is the object of design? 21-30 2012 CHI Extended Abstracts http://doi.acm.org/10.1145/2212776.2212780 conf/chi/2012a db/conf/chi/chi2012a.html#BinderMEJLW12