National Research Council (U.S.). Committee on Vision & ebrary, Inc. (1985). Emergent techniques for assessment of visual performance. National Academy Press.

National Research Council (U.S.). Committee on Vision and Inc ebrary. Emergent Techniques for Assessment of Visual Performance. Washington, D.C.: National Academy Press, 1985.

National Research Council (U.S.). Committee on Vision and Inc ebrary. Emergent Techniques for Assessment of Visual Performance. National Academy Press, 1985.