TY  - RPRT
TI  - Pedestrian movement characteristics on building ramps 
AU  - Turner, George
AU  - Collins, Belinda
PY  - 1981
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 81-2310
DO  - 10.6028/NBS.IR.81-2310
ER  -