{"lc_classifications": ["QK569.D54 S35 1997"], "key": "/works/OL12216320W", "title": "Eine Phosphor-Diatomeen-Relation f\u00fcr alkalische Seen und Fl\u00fcsse Brandenburgs und ihre Anwendung f\u00fcr die pal\u00e4olimnologische Analyse von Auensedimenten der unteren Havel", "subject_places": ["Germany", "Brandenburg", "Hazel River Valley", "Havel River Valley"], "first_publish_date": "1997", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL5318584A"}}], "type": {"key": "/type/work"}, "subjects": ["Eutrophication", "Diatoms", "Paleolimnology", "Fragilariaceae", "Botany, europe"], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-11T06:21:53.694569"}, "last_modified": {"type": "/type/datetime", "value": "2023-09-17T11:28:25.766961"}}