International Road Federation World Meeting
Vl 11th IRF World Meeting Documentation - [s.l.] International Road Education 1977 - 6v. ill.
Contents : V.S. Special themes -- V.A. Highway policy and planning -- V.B. Highway operations and traffic safety -- V.C.Urban transporation -- V.D. Highway construction technology -- V.su Summary
English text, parallel French and Japanese translations
Roads
Vl 11th IRF World Meeting Documentation - [s.l.] International Road Education 1977 - 6v. ill.
Contents : V.S. Special themes -- V.A. Highway policy and planning -- V.B. Highway operations and traffic safety -- V.C.Urban transporation -- V.D. Highway construction technology -- V.su Summary
English text, parallel French and Japanese translations
Roads