K. Fukunaga, Introduction to Statistical Pattern Recognition, Academic Press, San Diego, California, USA, 1990.

S. Balakrishnama and A. Ganapathiraju, "Linear Discriminant Analysis," http://www.cavs.msstate.edu/research/isip/publications/reports/isip_internal/1998/linear_discrim_analysis Mississippi State University, March 2, 1998.

N. Kalidindi and J. Picone, The USFS Project Final Report, http://www.cavs.msstate.edu/publications/reports/usfs_imaging/1998/scenic_beauty_estimation/, Institute for Signal and Information Processing, Mississippi State University, MS State, MS, USA, December 1997.

N. Kalidindi, A. Le, J. Picone and V. A. Rudis, The USFS Scenic Beauty Estimation Database, http://www.cavs.msstate.edu/publications/reports/usfs_imaging/1998/database, USFS Southern Research Station, Institute for Signal and Information Processing, Mississippi State University, MS State, MS, USA, December 1996.

A. J. Bell and T. J. Sejnowski, "An Information-Maximization Approach to Blind Separation and Blind Deconvolution," Technical Report No. INC-9501, http:///www.cnl.salk.edu/~tewon/ica_cnl.html,Institute for Neural Computing, University of California at San Diego, San Diego, California, USA, February 1995.

V. Vapnik, The Nature of Statistical Learning Theory, Springer-Verlag, New York, New York, USA, 1995.