00633nam a2200157Ia 4500008004100000020002800041041000800069050002800077100002000105245014200125260005900267300003800326650006800364700002200432700002100454221110s9999    xx            000 0 und d  a97816096085451609608542  aeng  aQA76.9.H85 b.V587 2012  aZagalo, Nelson  0aVirtual worlds and metaverse platforms : bnew communication and identity paradigms /cNelson Zagalo, Leonel Morgado, and Ana Boa-Ventura  aHershey, Pa. :  bInformation Science Reference,c2012  axviii, 423 p. : bill. ; c29 cm.  aComputer simulation.Human-computer interaction.Virtual reality.  aBoa-Ventura, Ana   aMorgado, Leonel