{"subjects": ["Tribology", "Building materials"], "key": "/works/OL4054255W", "title": "Werkstoffe in Der Tribotechnik", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL755481A"}}], "type": {"key": "/type/work"}, "covers": [2215441], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T05:14:24.573807"}, "last_modified": {"type": "/type/datetime", "value": "2022-10-18T07:04:44.343157"}}