The Visorama System: A Functional Overview of a New Virtual Reality Environment. - André Matos; Luiz Velho 001; Jonas Gomes; André Parente; Heloisa Siffert (Computer Graphics International, 1997)

Visorama: a complete virtual panorama system. - André Matos; Luiz Velho 001; Jonas Gomes; André Parente; Heloisa Siffert (SIGGRAPH Abstracts and Applications, 1998)