{"created": {"type": "/type/datetime", "value": "2009-12-10T10:44:32.554073"}, "subjects": ["Hafnium tetrachloride", "Separation (Technology)", "Zirconium tetrachloride"], "latest_revision": 3, "key": "/works/OL5603121W", "title": "Review of anhydrous zirconium-hafnium separation techniques", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1349400A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2020-10-28T19:47:41.496947"}, "covers": [9498904], "revision": 3}