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Baltsavias, E.P., 1994. The AGFA HORIZON scanner 
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Como, Italy, Vol. 30, Part 1, pp. 171-179. 
Baltsavias, E.P., Bill, R., 1994. Scanners - A survey of 
current technology and future needs. In: International 
214 
Archives of Photogrammetric and Remote Sensing, 
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Baltavias, E.P., 1991.  Multiphoto geometrically 
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Fórstner, W., 1986. A feature based correspondence 
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International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B5. Vienna 1996 
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