"Automatic Pattern - Recognition Solutions for Existing Problems', 
L. D. Sinnamon, Jr., A. C. Lang, R. F. Owens, Scope Inc., Falls 
Church, Va., Presented at American Society of Photogrammetry Semi- 
annual Convention, Los Angeles, California, 30 Sept. 1966. 
"Automatic Identification & Classification of Wheat by Remote Sensing", 
D. A. Landgrebe, etal, Laboratory for Agricultural Remote Sensing, 
(LARS) Purdue Univeristy, School of Civil Engineering, LaFayette, 
Indiana, Research Progress Report #279, March 1967. 
"Image Processing by Electron-Optical Techniques", J. K. Hawkins, 
C. J. Munsey, (Aeronutronics Div. Phílco Corp.), J. Opt. Soc. Am., 
57, 7, July 1967. 
"Image Feature Extraction for Automatic Terrain Classification", 
J. K. Hawkins, C. T. Elerding, Aeronutronics Div. Philco-Ford Corp. 
Newport Beach, California. 
"An Image Screening Device for Photo Interpretation", E. P. Snyder and 
R. P. Grosso, Perkin-Elmer Corp., Norwalk, Conn., Sept. 1966, 
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