@BOOK{NAP9239, title = "1993 Data Forum: A Review of an Implementation Plan for U.S. Global Change Date and Information Systems", doi = "10.17226/9239", url = "https://nap.nationalacademies.org/catalog/9239/1993-data-forum-a-review-of-an-implementation-plan-for", year = 1994, publisher = "The National Academies Press", address = "Washington, DC" }