{"physical_format": "Hardcover", "subtitle": "The Evolution, Classification, Mode of Life, and Geological Usefulness of a Major Fossil Group (Systematics Association Special Volume)", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Academic Press"], "type": {"key": "/type/edition"}, "number_of_pages": 593, "id": 12534139, "isbn_13": ["9780123567802"], "isbn_10": ["0123567807"], "publish_date": "April 1981", "key": "/b/OL9281818M", "authors": [{"key": "/a/OL1779073A"}], "title": "The Ammonoidea", "contributions": ["J. R. Senior (Editor)"], "subjects": ["Invertebrate Paleontology", "Stratigraphic Paleontology", "Nature / Field Guide Books", "Fossils", "Palaeozoology", "Ammonoidea"], "revision": 1}