Multimodal spatial reference in mediated environments: users' preferences and the pragmatics of pointing and talking.

Anna Spagnolli Luciano Gamberini Multimodal spatial reference in mediated environments: users' preferences and the pragmatics of pointing and talking. 1349-1354 2006 conf/chi/2006a CHI Extended Abstracts http://doi.acm.org/10.1145/1125451.1125701 db/conf/chi/chi2006a.html#SpagnolliG06