Documentation, IX:th IRF world meeting : Stockholm, 1 - 5 June, 1981: Summaries of submitted papers
World meeting. International Road Federation ; 9 ; 1981 ; Stockholm World meeting. International Road Federation ; 9 (Stockholm) : 1981.06.01-05
1981
XVI, 208 S.
Ill., graph. Darst.
Konferenzband
Englisch
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