The Slashdot Interview by Dr. Richard S Wallace – a portion of the interview done of Dr. Wallace for Slashdot. In this portion of the interview Dr. Wallace describes programming a bot in AIML.
Be Your Own Botmaster by Dr. Richard S. Wallace - The Step-by-Step Guide to Creating, Hosting, and Selling your own A. I. Chat Bot on Pandorabots (including sample section - Pandorabots Embrace and Extend).