TY - GEN AU - Adler, Sanford C AU - Pierman, Brian C C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1981-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.81-2245 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1981 TI - Building accessibility for the disabled ::a review of research needs ER -