{"title": "Directory of Scientific Directories (ROR)", "authors": [{"key": "/authors/OL3479416A"}], "publish_date": "June 1979", "publishers": ["Cartermill International"], "physical_format": "Hardcover", "covers": [5071999], "isbn_13": ["9780582901506"], "isbn_10": ["0582901502"], "type": {"key": "/type/edition"}, "subjects": ["Science: General Issues", "Technology: General Issues", "Science (General)", "Technology (General)"], "source_records": ["amazon:0582901502"], "key": "/books/OL10696119M", "number_of_pages": 650, "works": [{"key": "/works/OL9452672W"}], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-29T20:19:03.886242"}}