TY  - BOOK
ED  - Estados Unidos.
TI  - A report covering a 40 country survay ef current research and development on roads and read transport
AV  - HE335 E82
PY  - 1968///
CY  - Washington, D.C.
PB  - International Road Federation
KW  - Carreteras
KW  - Transporte
ER  -