{"isbn_13": ["9789065440846"], "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "languages": [{"key": "/l/eng"}], "publishers": ["Springer"], "number_of_pages": 134, "id": 16958088, "edition_name": "1 edition", "isbn_10": ["9065440844"], "publish_date": "February 28, 1983", "key": "/b/OL12848352M", "authors": [{"key": "/a/OL3196738A"}], "title": "Product Differentiation:The Legal Situation", "type": {"key": "/type/edition"}, "subjects": ["Intellectual property, copyright & patents", "Commercial - General", "Law / Commercial", "Law Of Intellectual Property", "Legal Reference / Law Profession"], "revision": 1}