{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "subtitle": "Organization, Plasma, Gas (Ellis Horwood Library of Space Science and Space Technology)", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Ellis Horwood, Ltd."], "number_of_pages": 2, "id": 12544157, "isbn_13": ["9780131710757"], "isbn_10": ["0131710753"], "publish_date": "December 1990", "key": "/b/OL9292163M", "authors": [{"key": "/a/OL2653384A"}], "title": "Comet Halley: Investigations, Results, Interpretations ", "type": {"key": "/type/edition"}, "subjects": ["Comets", "Science", "Science/Mathematics", "Astronomy - General", "Astrophysics", "Cosmology & the universe", "Particle & high-energy physics", "Plasma physics", "Halley's comet"], "revision": 1}