@conference {sanchez2001design,
	title = {Design Tasks in Virtual Environments Development},
	booktitle = {13th International Conference on Software Engineering and Knowledge Engineering (SEKE01)},
	year = {2001},
	attachments = {http://nil.fdi.ucm.es/sites/default/files/SEKE01.pdf},
	author = {Mar{\'\i}a Isabel S{\'a}nchez and Ang{\'e}lica de Antonio and Imbert, Ricardo and Gonzalo M{\'e}ndez and de Amescua, Antonio}
}
