@conference {imbert2007multiagent,
	title = {A multiagent extension for virtual reality based intelligent tutoring systems},
	booktitle = {Advanced Learning Technologies, 2007. ICALT 2007. Seventh IEEE International Conference on},
	year = {2007},
	pages = {82{\textendash}84},
	publisher = {IEEE},
	organization = {IEEE},
	doi = {https://doi.org/10.1109/ICALT.2007.23},
	url = {https://ieeexplore.ieee.org/abstract/document/4280956},
	attachments = {http://nil.fdi.ucm.es/sites/default/files/ICALT\%2707-Imbertetal-MAEVIFStructure.pdf},
	author = {Imbert, Ricardo and S{\'a}nchez, Leticia and Ang{\'e}lica de Antonio and Gonzalo M{\'e}ndez and Jaime Ram{\'\i}rez}
}
