TY  - RPRT
TI  - Building accessibility in relation to door hardware, door users, and door use 
AU  - Margulis, Stephen T
PY  - 1981
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 80-2174
DO  - 10.6028/NBS.IR.80-2174
ER  -