TY  - GEN
AU  - Collins, Belinda L
AU  - Danner, William F
AU  - Tibbott, Robert L
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1981-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.IR.81-2428
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1981
TI  - Communication systems for disabled users of buildings:
ER  -