{"languages": [{"key": "/l/eng"}], "subtitle": "Problems and perspectives", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 13:35:46.87638"}, "publishers": ["American Elsevier Pub"], "number_of_pages": 558, "isbn_13": ["9780444107237"], "isbn_10": ["0444107231"], "publish_date": "1974", "key": "/b/OL7529690M", "title": "Towards a plan of actions for mankind", "type": {"key": "/type/edition"}, "id": 10248650, "revision": 1}