{"last_modified": {"type": "/type/datetime", "value": "2010-12-05T07:20:53.493930"}, "title": "Scho\u0308pferisches Problemlo\u0308sen im Mathematikunterricht", "created": {"type": "/type/datetime", "value": "2009-12-10T19:42:44.732883"}, "subjects": ["Mathematics", "Problem solving", "Study and teaching"], "latest_revision": 2, "key": "/works/OL6765526W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1841052A"}}], "type": {"key": "/type/work"}, "revision": 2}