{"type": {"key": "/type/work"}, "title": "The De Man system of fireproof construction", "subjects": ["Fireproofing", "Concrete", "Fire testing"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL9400793A"}}], "covers": [11857929], "key": "/works/OL24940960W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2021-08-30T04:40:51.136818"}, "last_modified": {"type": "/type/datetime", "value": "2021-08-30T04:40:51.136818"}}