@article{
PEI06interactive,
   Author = {Peinado, Federico},
   Title = {Interactive Digital Storytelling: Automatic Direction of Virtual Environments},
   Journal = {Upgrade. Monograph: Virtual Environments},
   Volume = {VII},
   Number = {2},
   Pages = {42-46},
   howpublished = "\url{http://www.upgrade-cepis.org/issues/2006/2/upgrade-vol-VII-2.html}",
   Year = {2006} }