T L Nolin

DETECTABLE WARNINGS: SAFETY AND NEGOTIABILITY ON SLOPES FOR PERSONS WHO ARE PHYSICALLY IMPAIRED

B L Bentsen, T L Nolin, R D Easton, 1995 .

DETECTABLE WARNINGS: DETECTABILITY BY INDIVIDUALS WITH VISUAL IMPAIRMENTS, AND SAFETY AND NEGOTIABILITY ON SLOPES FOR PERSONS WITH PHYSICAL IMPAIRMENTS

Billie Louise Bentzen, T L Nolin, R D Easton, 1994 .

DETECTABLE WARNING SURFACES: COLOR, CONTRAST, AND REFLECTANCE

T L Nolin, Billie Louise Bentzen, R D Easton, 1994 .