(1958). Reference guide outline: Specifications for aerial surveys and mapping by photogrammetric methods for highways. Washington, D.C: Government Printing Office.
Παραπομπή Chicago StyleReference Guide Outline: Specifications for Aerial Surveys and Mapping By Photogrammetric Methods for Highways. Washington, D.C: Government Printing Office, 1958.
Παραπομπή MLAReference Guide Outline: Specifications for Aerial Surveys and Mapping By Photogrammetric Methods for Highways. Washington, D.C: Government Printing Office, 1958.
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