1. S. Nicola, and J. Malouff, "Preference for Complexity in Natural Landscape Scenes", Perceptual and Motor Skills, pp. 109-110, 1986.
2. N. Kalidindi and J. Picone, "Scenic Beauty Estimation of Forestry Images," USFS Project Final Report, December 31, 1997. /hse/ies/
3. A. Ganapathiraju, "Support Vector Machines - A first Look," Institute for Signal and Information Processing, March 1, 1998. /hse/ies/