Proceedings ACSM-ASP fall convention ; Oct. 11-14, 1972, Columbus, Ohio (ACSM, 1972)
1971 u.d.T.: American Society of Photogrammetry: Papers from the nineteen hundred and seventy-one ASP ACSM fall convention. - Ab 1973 u.d.T.: American Congress on Surveying and Mapping: Proceedings of the American Congress on Surveying and Mapping, fall convention