References 
'’Orthophoto Generation" by J. J. Edmond, Bendix Research 
Labs, Bendix Technical Journal. 
"Mapping and Photointerpretation System Based on Stereo- 
Orthophotos" by Dr. T. J. Blachut. 
"Off-Line Orthographic Printer" Final Technical Report by 
J. E. Bybee and J. P. Szafranski, Bendix Research Labs. 
"Deployable Data Base Development Study" Interim Technical 
Report; Robert B. Forrest, James 0. Abshier, Martin B. Alice, 
Bendix Research Laboratories.