00307nam a2200109Ia 4500008004100000020002200041041001200063100004000075245002900115260003200144650002100176231221s9999    xx            000 0 und d  a978-1-4020-3898-3  aEnglish  aRalph Schroeder, Ann-Sofie Axelsson 0aAvatars at Work and Play  c2006bSpringer USaNew York  aComputer Science