TY -
BOOK
AU - Webb, P. J.
TI -
The effect of an advisory speed signal on motorway traffic speeds
PB - Transport and Road Research Laboratory
PY - 1980
BT - TRRL supplementary report ; 615
CY - Crowthorne, Berkshire
UR - http://slubdd.de/katalog?TN_libero_mab2
ER -