Thiago de A. Bastos,  Alberto B. Raposo,  Marcelo Gattass. 

Virtual Reality (VR) applications differ from other applications forthe usage of special devices and the concern with the user's sensation of immersion.The use of frameworks is important to such applications due to thehigh complexity and costs involved in their development. This paper presents agraphical component-based VR framework designed to be simple, flexible, andto allow the creation of easy-to-operate applications.

http://www.lbd.dcc.ufmg.br/colecoes/ctic/2005/009.pdf

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