1. (1990), Information Theory, Dover Publications.
2. (1994). Practical Color Measurement: A Primer for the Beginner, A Reminder for the Expert. New York: John Wiley & Sons.
3. & (1997). Region based image querying, CVPR'97 Workshop on Content-Based Access of Images and Video Libraries. Berkeley, CA: University of California.
4. Picture Query Languages for Pictorial Data-Base Systems