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R. Darken, P. McDowell, E. Johnson: Projects in VR: the Delta3D open source game engine. In: IEEE Computer Graphics and Applications. Band25, Nr.3, Mai 2005, ISSN0272-1716, S.10–12, doi:10.1109/MCG.2005.67 (ieee.org [abgerufen am 11. November 2020]).
R. Darken, P. McDowell, E. Johnson: Projects in VR: the Delta3D open source game engine. In: IEEE Computer Graphics and Applications. Band25, Nr.3, Mai 2005, ISSN0272-1716, S.10–12, doi:10.1109/MCG.2005.67 (ieee.org [abgerufen am 11. November 2020]).