@BOOK{NAP19302, title = "Mapping and Charting: A Perspective for the Office of Charting and Geodetic Services", doi = "10.17226/19302", url = "https://nap.nationalacademies.org/catalog/19302/mapping-and-charting-a-perspective-for-the-office-of-charting", year = 1985, publisher = "The National Academies Press", address = "Washington, DC" }