{"subjects": ["Gravitation", "General relativity (Physics)", "Cosmology", "Relativity (physics)"], "subject_people": ["A. K. Raychaudhuri", "P. C. Vaidya (1918-)"], "key": "/works/OL19180632W", "title": "A Random walk in relativity and cosmology", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL14641A"}}], "type": {"key": "/type/work"}, "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2019-03-11T06:51:23.398005"}, "last_modified": {"type": "/type/datetime", "value": "2022-10-18T11:28:11.057079"}}