{"type": {"key": "/type/work"}, "title": "Die Unm\u00f6glichkeit der Leistung Im Internationalen Kauf- und Vertragsrecht", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL10457369A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL10457370A"}}], "key": "/works/OL28028930W", "subjects": ["Impossibility of performance (International law)", "Export sales contracts", "Contracts (International law)", "Impossibility of performance", "Sales", "Contracts"], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2022-06-18T07:29:55.609543"}, "last_modified": {"type": "/type/datetime", "value": "2026-03-28T10:54:26.011328"}}