{"type": {"key": "/type/work"}, "title": "Fundamentals and Basic Optical Instruments", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL9509136A"}}], "key": "/works/OL25201586W", "subjects": ["Optics", "Handbooks, manuals", "Optical instruments", "TECHNOLOGY & ENGINEERING", "Mechanical"], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2021-09-19T23:12:05.868618"}, "last_modified": {"type": "/type/datetime", "value": "2022-12-15T08:42:15.503450"}}