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A Comparison of Four Measures of Visual Discrimination of Shapes
Author(s): Arnoult, Malcolm D., Gagne, Robert M., Vanderplas, James M.
Corporate Author(s): Human Resources Research Center
Laboratory: Perceptual and Motor Skills Research Laboratory
Date of Publication: 1951-10
Report number: HRRC RB 51-23
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Apparent Size Of Objects Viewed Through Telescopes
Author(s): Vanderplas, James M.
Corporate Author(s): Aero Medical Laboratory
Date of Publication: 1954-10
Report number: WADC TR 54-459

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