{"subject_places": ["Canada"], "subjects": ["Reinforced concrete construction", "Handbooks, manuals", "Standards"], "key": "/works/OL19245017W", "title": "Concrete design handbook", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL3076606A"}}], "type": {"key": "/type/work"}, "covers": [14073129], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2019-03-12T07:53:05.285989"}, "last_modified": {"type": "/type/datetime", "value": "2023-04-17T01:00:42.199206"}}