International road research documentation (IRRD) =
Subtitle: Internationale Dokumentation Strasse (IDS) = Documentation internationale de recherche routière (DIRR) : thesaurus 1972.
Contributors: Organisation for Economic Co-operation and Development. Road Research Programme.
Publisher: Organisation for Economic Cooperation and Development, Road Research Programme
Published: 1971
Place of publication: Paris
Language: eng
Notes: English, French and German.

"November 1971"
Table of contents: value: [1] English alphabetical list.; value: [2] Numerical list and English arrowed diagrams.