{"lc_classifications": ["TJ1280 .H43"], "contributions": ["Abrasive grain association."], "id": 8814982, "edition_name": "1st ed. ...", "title": "Abrasive grains and their uses", "languages": [{"key": "/l/eng"}], "subjects": ["Grinding and polishing.", "Abrasives."], "publish_country": "ohu", "by_statement": "by Johnson Heywood, under the auspices of Abrasive Grain Association.", "oclc_numbers": ["3416789"], "type": {"key": "/type/edition"}, "revision": 1, "publishers": ["The Penton Publishing Co."], "last_modified": {"type": "/type/datetime", "value": "2008-04-01 03:28:50.625462"}, "key": "/b/OL6451404M", "authors": [{"key": "/a/OL2362719A"}], "publish_places": ["Cleveland, O"], "pagination": "vii, 72 p.", "dewey_decimal_class": ["621.92"], "number_of_pages": 72, "lccn": ["43007135"], "publish_date": "1943"}