Construction 4 reports prepared for the 52nd annual meeting.

Manylion Llyfryddiaeth
Awdur Corfforaethol: National Research Council (U.S.). Highway Research Board
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington, D.C. National Academy of Science - National Research Council 1973.
Cyfres:Highway research record no. 454.
Pynciau: