NCHRP research on bridge engineering an NCHRP staff digest of the progress and status of bridge engineering research under the National Cooperative Highway Research Program.

Bibliográfalaš dieđut
Searvvušdahkki: National Cooperative Highway Research Program
Materiálatiipa: Girji
Giella:eaŋgalasgiella
Almmustuhtton: Washington, D.C. Transportation Research Board, National Research Council 1982.
Ráidu:National Cooperative Transit Research & Development Program : Research Results Digest Number 132.
Fáttát: