{"languages": [{"key": "/l/spa"}], "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "publishers": ["Akal Ediciones"], "number_of_pages": 71, "id": 17546683, "isbn_13": ["9788476006313"], "isbn_10": ["8476006314"], "publish_date": "November 1993", "key": "/b/OL13284699M", "authors": [{"key": "/a/OL4236932A"}], "title": "Agricultura y Mineria Romanas", "type": {"key": "/type/edition"}, "subjects": ["Latin America - South America", "History - General History"], "revision": 1}