Providing More Interactivity to Virtual Museums: A Proposal for a VR Authoring Tool. - Raul Sidnei Wazlawick; Marta C. Rosatelli; Edla M. F. Ramos; Walter de Abreu Cybis; Bernd H. Storb; Vera R. N. Schuhmacher; Antonio Carlos Mariani; Tereza G. Kirner; Claudio Kirner; Léa Da Cruz Fagundes (Presence Teleoperators Virtual Environ., 2001)