{"title": "Engineering materials.", "authors": [{"key": "/authors/OL4322683A"}], "publish_date": "1947", "publishers": ["Pitman"], "pagination": "624p.", "edition_name": "2nd ed.", "languages": [{"key": "/languages/eng"}], "publish_country": "xxk", "type": {"key": "/type/edition"}, "source_records": ["marc:talis_openlibrary_contribution/talis-openlibrary-contribution.mrc:41699777:389"], "key": "/books/OL13689659M", "number_of_pages": 624, "works": [{"key": "/works/OL10412803W"}], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2008-08-30T22:30:07.037195"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-24T16:29:35.278843"}}