@article{wolff2007IJCAT,
	author = {Wolff, R. and Roberts, D. J. and Steed, A. and Otto, O.},
	journal = {International Journal of Computer Applications in Technology (IJCAT), Special Issue on: Collaborative Multimedia Applications in Technology},
	volume = {29},
	number = {1},
	pages = {11-26},
	title = {A Review of Tele-collaboration Technologies with Respect to Closely Coupled Collaboration},
	year = {2007}
}