Articles on Eye Movement in 3D animation

http://www.jrox.com/content/article/46/bring-life-to-your-character-animation-with-dynamic-eye-movement

http://iclone.helpmax.net/crazytalk/04_talking_message/applying_eye_movements.htm

http://www.freemayavideotutorials.com/maya-modeling/creating-sensible-eye-movement.html

http://animationguides.com/character-emotion-in-animation/

http://luke3dcharacteranimation.blogspot.com/2011/03/researching-eye-animations.html

http://www.twcil.com/techworlddemos/3DSMaxAnimatingExperience.pdf