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			| M G. Dearing
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								M. G. Dearing, J. A. Schroeder, B. T. Sweet,  & M. K. Kaiser (2001) Effects of visual texture, grids, and platform motion on unpowered helicopter landings, AIAA Paper 2001-4251, Montreal, Canada
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								J. A. Schroeder, M. G. Dearing, B. T. Sweet,  & M. K. Kaiser (2001) Runway texture and grid pattern effects on rate-of-descent perception, AIAA Paper 2001-4307, Montreal, Canada
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