Research needed in geometric highway design.

Sonraí bibleagrafaíochta
Údar corparáideach: National Research Council (U.S.). Highway Research Board
Formáid: LEABHAR
Teanga:Béarla
Foilsithe / Cruthaithe: Washington, D.C. Highway Research Board, National Research Council 1953.
Sraith:Special report (National Research Council (U.S.). Highway Research Board) 12.
Ábhair: