Francisco Alcantud Gerardo Herrera Gabriel Labajo I. Dolz C. Gayá V. Avila A. Blanquer J. L. Cuesta J. Arnáiz Assessing Virtual Reality as a Tool for Support Imagination. 143-144 2002 conf/icchp/2002 ICCHP http://link.springer.de/link/service/series/0558/bibs/2398/23980143.htm db/conf/icchp/icchp2002.html#AlcantudHLDGABCA02