{"first_publish_date": "1997", "last_modified": {"type": "/type/datetime", "value": "2010-12-04T09:16:43.089383"}, "title": "Przestrzenna ruchliwos\u0301c\u0301 ludnos\u0301ci Polski", "created": {"type": "/type/datetime", "value": "2009-12-09T23:09:09.689662"}, "subject_places": ["Poland"], "lc_classifications": ["G23.D63 Z7164.I3"], "latest_revision": 3, "key": "/works/OL2207969W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL282661A"}}], "type": {"key": "/type/work"}, "subjects": ["Bibliography", "Emigration and immigration", "Internal Migration", "Migration, Internal", "Poland"], "revision": 3}