{"isbn_13": ["9781894475402"], "physical_format": "Hardcover", "subtitle": "Hydrometallurgy of Copper (BOOK 1) Leaching and Process Development", "weight": "2.2 pounds", "publishers": ["Canadian Institute of Mining, Metallurgy and Petroleum"], "number_of_pages": 490, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "first_sentence": {"type": "/type/text", "value": "BHP Billiton has operated the Tintaya property as a sulphide mine since 1995 using traditional milling technologies."}, "isbn_10": ["1894475402"], "publish_date": "December 1, 2003", "key": "/b/OL9427341M", "authors": [{"key": "/a/OL3258244A"}, {"key": "/a/OL3258245A"}, {"key": "/a/OL3258246A"}, {"key": "/a/OL3258247A"}], "title": "Copper VI", "type": {"key": "/type/edition"}, "id": 12706604, "physical_dimensions": "10 x 7.2 x 1.4 inches", "revision": 1}