Synthesizing Realistic Facial Expressions from Photographs. - Frédéric H. Pighin; Jamie Hecker; Dani Lischinski; Richard Szeliski; David Salesin (SIGGRAPH, 1998)

Procedural Geometry with Open Shading Language on Pixar's Onward and Soul. - Dave Dixon; Matt Johnson; Andy Whittock; Peter Roe; Jamie Hecker; Matt Kuruc (SIGGRAPH Talks, 2020)