F. Pittarello and A. Celentano, Interaction locus: a multimodal approach for the structuring of virtual spaces, Proc. Of HCITaly Symposium, 2001.

K. P. Herndon, A. Van-dam, and M. Gleicher, The challenges of 3D interaction, ACM SIGCHI Bulletin, vol.26, issue.4, pp.36-46, 1994.
DOI : 10.1145/191642.191652

D. Boyd and L. Sastry, Development of the INQUISITIVE Interaction Toolkit -Concept and Realisation. User Centred Design and Implementation of Virtual Environments, 1999.

D. A. Bowman, E. Kruijff, L. J. Jr, and I. Poupyrev, An Introduction to 3-D User Interface Design, Presence: Teleoperators and Virtual Environments, vol.10, issue.1, pp.96-108, 2001.
DOI : 10.1016/0010-0285(82)90019-6

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.20.8216

A. Sutcliffe, Multimedia and Virtual Reality: Designing Multisensory User Interfaces, 2003.

P. Figueroa, M. Green, and H. J. Hoover, InTml, Proceeding of the seventh international conference on 3D Web technology , Web3D '02, pp.53-58, 2002.
DOI : 10.1145/504502.504511

J. Boeck, D. Vanacken, C. Raymaekers, and K. Coninx, High-Level Modelling of Multimodal Interaction Techniques Using NiMMiT, Journal of Virtual Reality and Broadcasting, vol.4, issue.2, 2007.

J. Lawson, A. Al-akkad, J. Vanderdonckt, and B. Macq, An open source workbench for prototyping multimodal interactions based on off-the-shelf heterogeneous components, Proceedings of the 1st ACM SIGCHI symposium on Engineering interactive computing systems, EICS '09, 2009.
DOI : 10.1145/1570433.1570480

D. Martínez, A. S. García, J. Martínez, J. P. Molina, and P. González, A model of interaction for CVEs based on the model of human communication, Journal of Universal Computer Science, vol.14, issue.19, pp.3071-3084, 2008.

J. P. Molina, A. S. García, D. Martínez, F. J. Manjavacas, V. Blasco et al., An Interaction Model for the TRES-D Framework), special session " New interaction paradigms in Virtual Environments, Proc. of 13th IEEE Mediterranean Electrotechnical Conference Electronic Proceedings, 2006.

J. D. Foley, A. Van-dam, S. K. Feiner, and J. F. Hughes, Computer Graphics: Principles and Practice, 1996.

J. P. Molina, Un enfoque estructurado para el desarrollo de interfaces de usuario 3D, doctoral thesis, 2008.

. Poupyrevi, S. Weghorst, M. Billinghurst, and T. Ichikawa, Egocentric Object Manipulation in Virtual Environments: Empirical Evaluation of Interaction Techniques, Computer Graphics Forum, vol.17, issue.3, pp.41-52, 1998.
DOI : 10.1111/1467-8659.00252

E. Frécon and M. Stenius, DIVE: a scaleable network architecture for distributed virtual environments, Distributed Systems Engineering, vol.5, issue.3, pp.91-100, 1998.
DOI : 10.1088/0967-1846/5/3/002

C. Greenhalgh, J. Purbrick, and D. Snowdon, Inside MASSIVE-3, Proceedings of the third international conference on Collaborative virtual environments , CVE '00, pp.119-127
DOI : 10.1145/351006.351027

J. L. Gabbard, D. Hix, and J. E. Swan, User-centered design and evaluation of virtual environments, IEEE Computer Graphics and Applications, vol.19, issue.6, pp.51-59, 1999.
DOI : 10.1109/38.799740

URL : http://www.dtic.mil/get-tr-doc/pdf?AD=ADA606228

A. S. García, J. P. Molina, and P. González, Exemplar VE design guidance tool for selection and manipulation interaction techniques, proc. of 11th International Conference on HCI, HCI International, 2005.

D. Marítnez, S. Kieffer, J. Martínez, J. P. Molina, B. Macq et al., Usability evaluation of virtual reality interaction techniques for positioning and manoeuvring in reduced, manipulation-oriented environments. The Visual Computer, pp.6-8

C. S. Mark, M. Green, O. Liang, and Y. Sun, Decoupled simulation in virtual reality with the MR Toolkit, ACM Trans. Inf. Syst, vol.11, issue.3, pp.287-317, 1993.

A. Bierbaum, C. Just, P. Hartling, K. Meinert, A. Baker et al., VR juggler, ACM SIGGRAPH ASIA 2008 courses on, SIGGRAPH Asia '08, pp.1-8
DOI : 10.1145/1508044.1508086

M. Russell, T. C. Hudson, A. Seeger, H. Weber, J. Juliano et al., VRPN: A device-independent, network-transparent vr peripheral system, Proceedings of the ACM symposium on Virtual reality software and technology (VRST '01, pp.55-61

G. Reitmayr and D. Schmalstieg, OpenTracker-an open software architecture for reconfigurable tracking based on XML, Proceedings IEEE Virtual Reality 2001, 2001.
DOI : 10.1109/VR.2001.913799

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.38.2999

C. Wingrave and D. Bowman, CHASM " : Bridging Description and Implementation of 3D Interfaces, Proc. of IEEE VR Workshop on New Directions in 3DUIs, pp.85-88, 2005.

A. Ray and D. A. Bowman, Towards a system for reusable 3D interaction techniques, Proceedings of the 2007 ACM symposium on Virtual reality software and technology , VRST '07, pp.187-190, 2007.
DOI : 10.1145/1315184.1315219

G. Haan and F. H. Post, StateStream: a developer-centric approach towards unifying interaction models and architecture, Proceedings of the 1st ACM SIGCHI symposium on Engineering interactive computing systems (EICS '09, pp.13-22

H. Tramberend, Avocado: a distributed virtual reality framework, Proceedings IEEE Virtual Reality (Cat. No. 99CB36316)
DOI : 10.1109/VR.1999.756918