{"languages": [{"key": "/l/spa"}], "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Fondo de Cultura Economica USA"], "number_of_pages": 367, "id": 12783684, "isbn_13": ["9789583800597"], "isbn_10": ["9583800597"], "publish_date": "December 1991", "key": "/b/OL9491459M", "authors": [{"key": "/a/OL3271247A"}], "title": "La Ecologia y La Economia", "type": {"key": "/type/edition"}, "subjects": ["Economics - Theory", "Environmental Science", "Business / Economics / Finance"], "revision": 1}