Williams, C. S., & Becklund, O. A. (1989). Introduction to the optical transfer function. Wiley.

Williams, Charles S., and Orville A. Becklund. Introduction to the Optical Transfer Function. New York: Wiley, 1989.

Williams, Charles S., and Orville A. Becklund. Introduction to the Optical Transfer Function. Wiley, 1989.