A Double X-Y platform for randsight-type instruments : prepared for the Department of Health, Education, and Welfare / S. M. Genensky ... [et al.]

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Genensky, S. M.
Santa Monica, CA : Rand, 1974.
xi, 43 p.
englisch
visually handicapped : vision aid

ZB
Open Stacks Call Number: B 042375'01' Barcode: 1076001546 Available