National Research Council. 1986. Electronic Travel Aids: New Directions for Research. Washington, DC: The National Academies Press. https://doi.org/10.17226/1011.
|Summary and Highlights||1-3|
|2: The Demography of Blind and Visually Impaired Pedestrians||10-25|
|3: The Assessment of Mobility||26-35|
|4: Perceptual, Cognitive, and Environmental Factors||36-52|
|5: Sensory Enhancement and Substitution||53-66|
|6: The Technology of Electronic Travel Aids||67-80|
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