Susanne Seitinger Elisabeth Sylvan Oren Zuckerman Marko Popovic Orit Zuckerman A new playground experience: going digital? 303-308 2006 conf/chi/2006a CHI Extended Abstracts http://doi.acm.org/10.1145/1125451.1125520 db/conf/chi/chi2006a.html#SeitingerSZPZ06