An Approach to Automatic Recognition of Spontaneous Facial Actions. - Bjorn Braathen; Marian Stewart Bartlett; Gwen Littlewort; Evan Smith; Javier R. Movellan (FGR, 2002)

Efficient Coding of Time-Relative Structure Using Spikes. - Evan Smith; Michael S. Lewicki (Neural Comput., 2005)