{ "best_oa_location": null, "data_standard": 2, "doi": "10.1007/3-540-26800-6_6", "doi_url": "https://doi.org/10.1007/3-540-26800-6_6", "genre": "book-chapter", "is_oa": false, "journal_is_in_doaj": false, "journal_is_oa": false, "journal_issns": null, "journal_name": "Earth Observation with CHAMP", "oa_locations": [], "published_date": null, "publisher": "Springer-Verlag", "title": "Improvements in Arctic Gravity and Geoid from CHAMP and GRACE: An Evaluation", "updated": "2018-04-12T18:36:14.640582", "x_reported_noncompliant_copies": [], "year": null, "z_authors": [ { "family": "McAdoo", "given": "David" }, { "family": "Wagner", "given": "Carl" }, { "family": "Laxon", "given": "Seymour" } ] }