{"type": {"key": "/type/work"}, "title": "G. Mejeri H. Cursus ingeniarius arithmeticae, geometriae organicae, hypsometriae, geodesiae, stereometriae, castrametationis, fortificationis", "subjects": ["Mathematics", "Early works to 1800", "Fortification"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL3192843A"}}], "key": "/works/OL45285366W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-04-30T18:34:01.858621"}, "last_modified": {"type": "/type/datetime", "value": "2026-04-30T18:34:01.858621"}}