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To study the contribution of vision to the perception of ego-motion, one often dissociates the retinal flow from the corresponding extra-retinal information on eye, head and body movement. This puts the observer in a conflict concerning the experienced ego-motion.
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Informal names for surface features in the Apollo 15 landing area [PDF]
Informal names and descriptions of lunar topographic features in Apollo 15 landing ...
Head, J. W.
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Some geologic observations concerning lunar geophysical models [PDF]
The distribution of lunar geologic units in space and time and their mode of origin were considered since they provided significant data which bear on a number of current problems in lunar geophysics.
Head, J. W.
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The Serenitatis Basin and the Taurus-Littrow highlands: Geological context and history [PDF]
The Apollo 17 mission was targeted to land at the southeastern edge of the Serenitatis Basin, one of a number of large impact basins on the Moon. The geologic setting of the Apollo 17 site is reviewed, the implications for the formation of basins from ...
Head, James W.
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Flight investigation of installation effects on a plug nozzle with a series of boattailed primary shrouds installed on an underwing nacelle [PDF]
Several variations of a boattailed shroud for a 10 deg conical plug nozzle were tested using an F-106B aircraft for Mach 0.6 to 1.3. The data were obtained so that the tradeoff between boattail and plug size could be studied for an underwing nacelle ...
Head, V. L.
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Significant achievements in the planetary geology program, 1975 - 1976 [PDF]
Developments in planetology research as reported at the 1976 NASA Planetology Program Principal Investigators' meeting are summarized. Topics range from solar system evolution, comparative planetology, and geologic processes to techniques and instrument ...
Head, J. W.
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Derivation of topographic feature names in the Apollo 15 landing region [PDF]
Location and derivation of nomenclature for lunar topographic features in Apollo 15 landing ...
Head, J. W.
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Market Potential and the Location of Japanese Firms in the European Union. [PDF]
This paper develops a theoretical model of location choice under imperfect competition to formalize the notion that firms prefer to locate “where the markets are.” The profitability of a location depends on a term that weights demand in all locations by ...
Head, Keith, Mayer, Thierry
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