@article { PeinadoUPGRADE06,
	title = {Interactive Digital Storytelling: Automatic Direction of Virtual Environments},
	journal = {Upgrade},
	volume = {VII},
	number = {2},
	year = {2006},
	pages = {42-46},
	issn = {1684-5285},
	attachments = {http://nil.fdi.ucm.es/sites/default/files/2006-peinado-interactive-PRE.pdf},
	author = {Peinado, Federico}
}
