We would also like to recognize the sources that we used in the creation of the PercepZone. We found these books and sites very helpful in demonstrating the wonders of the visual system, and we highly recommend them to anyone who wants to learn more.
Birren, Faber. Color & Human Response. New York: Van Nostrand Reinhold, 1978.
Chiazzari, Suzy. The Complete Book of Color. Boston: Element Books Limited, 1998
Dyckman, Dan. Hidden Dimensions. New York: Harmony Books, 1994
Falk, David et. all. Seeing the Light: Optics in Nature, Photopgraphy, Color, Vision, and Holography. New York: John Wiley & Sons, Inc., 1986.
Hoffman, Donald D. Visual Intelligence. New York: W. W. Norton & Company, 1998
Levin, Edith M. The Penetrating Beam: Reflections on Light. New York: Richard Rosen Presses, Inc., 1978
Morris, Charles G. "Vision" Psychology: An Introduction. Upper Saddle Rive, New Jersey: Prentice Hall, Inc., 1998
n. a. "MAE-Waterfalls" http://www.hip.atr.co.jp/departments/Dept5/MAEWWW/engra/waterfalls.html January 19, 1999.
Nay, Tyler. "M.C. Escher Optical Illusions and Tesselations." http://www.geocities.com/SoHo/Museum/3828/home.html January 25th, 1998
Parker, James "A Hypertext History of the State of Iowa." Hypertext History. 1975 (Apr. 1998)
Sharpe, Deborah T. The Psychology of Color and Design. Totowa: Littlefield, Adams & Co., 1975
Sobel, Michael I. The Wave Theory of Light. Chicago: The University of Chicago Press, 1987
Except for the images listed below, all text, graphics, and code used in this site were created by Eric, John, and/or Paraag. These images were used because the ideas they represent could not be expressed through other original images. These images have only been used with the expressed permission of the copyright owners. These permissions have been listed below in accordince with copyright laws to give credit to the respective owners.
Scrollbar Eyeball in Layers version of The PercepZone from ProDraw Graphics Gallery. http://www.prodraw.net/gallery/index.htm. Permission granted through terms and conditions listed on web site.