Aerial surveys and photogrammetry 4 reports.

Manylion Llyfryddiaeth
Awduron Corfforaethol:	National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, National Research Council (U.S.). Highway Research Board. Committee on Photogrammetry and Aerial Surveys
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Washington, D.C. Highway Research Board 1971.
Cyfres:	Highway research record no. 375.
Pynciau:	Aerial photography in road surveying. Aerial photography in traffic engineering. Aerial surveys. Photogrammetry.