ALCON, Javier; TRAVIESO, David a LARBOULETTE, Caroline. Influence of Dynamic Wrinkles on the Perceived Realism of Real-Time Character Animation. Václav Skala - UNION Agency, 2013. Dostupné také z: http://wscg.zcu.cz/WSCG2013/!_2013-WSCG-Full-proceedings.pdf.