{"title": "International critical tables of numerical data, physics, chemistry and technology, prepared under the auspices of the International Research Council and the National Academy of Sciences by the National Research Council of the United States of America.  Index.  Vol. 1-7.", "authors": [{"key": "/authors/OL1901196A"}], "publish_date": "1930", "publishers": ["Published for the National Research Council by the McGraw-Hill Book Co."], "pagination": "43 p.", "languages": [{"key": "/languages/eng"}], "lc_classifications": ["Q199 N32 INDEX"], "publish_country": "nyu", "by_statement": "National Research Council.", "publish_places": ["New York"], "type": {"key": "/type/edition"}, "subjects": ["Science -- Tables, etc."], "source_records": ["marc:marc_university_of_toronto/uoft.marc:1876431471:1071"], "key": "/books/OL18399080M", "number_of_pages": 43, "works": [{"key": "/works/OL2207117W"}], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2008-10-16T13:38:18.764836"}, "last_modified": {"type": "/type/datetime", "value": "2026-02-05T14:30:32.053049"}}