American Congress on Surveying and Mapping & American Society of Photogrammetry. (1978). Proceedings of the American Congress on Surveying and Mapping Fall Convention. The Congress.

American Congress on Surveying and Mapping and American Society of Photogrammetry. Proceedings of the American Congress on Surveying and Mapping Fall Convention. Washington D.C.: The Congress, 1978.

American Congress on Surveying and Mapping and American Society of Photogrammetry. Proceedings of the American Congress on Surveying and Mapping Fall Convention. The Congress, 1978.