1- http://www.artnatomia.net/uk/artnatomiaIng.html (the best resource for facial rig I’ve found)
2- http://griffinanimation.com/archives/513 (differents facil rig systems)
3- http://jeremyernst.files.wordpress.com/2011/03/jeremy_ernst_fastandefficietfacialrigging.pdf (a good pdf file, it’s not the best presentation, but it’s very schematic and explanatory)
4- http://stagedfilm.blogspot.com.es/2011/05/peter-morphy-renders.html?spref=tw (a short article about facial expressions)
Regards. ![]()