TY  - BOOK
ED  - Organisation for Economic Co-operation and Development
TI  - L'aide electronique pour l'exploitation des autoroutes: rapport 
T2  - Recherche Routiere
AV  - .O74 1971 TE228
PY  - 1971///
CY  - Paris
PB  - OCDE
KW  - Electronic traffic controls
KW  - Express highways
KW  - Communication systems
N1  - Summary in English; BIB
ER  -