{"type": {"key": "/type/edition"}, "authors": [{"key": "/authors/OL254421A"}], "isbn_13": ["9781724686688"], "languages": [{"key": "/languages/eng"}], "number_of_pages": 226, "publish_date": "2018", "publishers": ["CreateSpace Independent Publishing Platform"], "source_records": ["bwb:9781724686688"], "title": "Joint US/UK 1990 Epoch World Magnetic Model", "weight": "0.664", "full_title": "Joint US/UK 1990 Epoch World Magnetic Model", "works": [{"key": "/works/OL41810873W"}], "key": "/books/OL56773062M", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2024-10-05T11:30:38.944044"}, "last_modified": {"type": "/type/datetime", "value": "2024-11-11T23:19:31.901008"}}