TY  - BOOK
AU  - Weigelt, Horst
AU  - Gotz, Rainer E.,
AU  - Weigelt,Horst
TI  - City traffic: A systems digest 
SN  - 0442292597
AV  - TA1205 W44
PY  - 1973///
CY  - New York
PB  - Van Nostrand Reinhold
KW  - Transporte urbano
ER  -