Blind and Sighted Pedestrians' Judgments of Gaps in Traffic at Roundabouts. - David Guth; Daniel H. Ashmead; Richard Long; Robert S. Wall Emerson; Paul E. Ponchillia (Hum. Factors, 2005)

Ergonomic Factors Related to Drop-Off Detection With the Long Cane: Effects of Cane Tips and Techniques. - Dae-Shik Kim; Robert S. Wall Emerson; Amy B. Curtis (Hum. Factors, 2010)

Blind and Sighted Pedestrians' Road-Crossing Judgments at a Single-Lane Roundabout. - David Guth; Richard Long; Robert S. Wall Emerson; Paul E. Ponchillia; Daniel H. Ashmead (Hum. Factors, 2013)

Outdoor Wayfinding and Navigation for People Who Are Blind: Accessing the Built Environment. - Robert S. Wall Emerson (HCI (9), 2017)