@conference {IIIA-2004-1334, title = {3D Electronic Institutions: Social Interfaces for E-Commerce}, booktitle = {Conferences in Research and Practice in Information Technology}, volume = {40}, year = {2004}, author = {Anton Bogdanovych and Helmunt Berger and Simeon Simoff and Carles Sierra}, editor = {Mark Bilinghurst and Andy Cockburn} }