XI Congresso Internacional de Estradas de Rodagem, Rio de Janeiro, Brasil, 1959.
Contributors: Permanent International Association of Road Congresses.
Publisher: Association internationale permanente des congrès de la route
Published: 1960
Place of publication: Paris, França
Language: por
Subjects: Roads -- Congresses.; Traffic engineering -- Congresses.; Highway engineering -- Congresses.
Other titles: Décimo Primeiro Congresso Internacional de Estradas de Rodagem, Rio de Janeiro, Brasil, 1959.; 11o. Congresso Internacional de Estradas de Rodagem, Rio de Janeiro, Brasil, 1959.
Notes: Cover title.
Papers prepared for the International Road Congress, held Sept. 21-26 in Rio de Janeiro.