{"type": {"key": "/type/edition"}, "authors": [{"key": "/authors/OL12398869A"}], "isbn_13": ["9798358297340"], "languages": [{"key": "/languages/eng"}], "pagination": "50", "publish_date": "2022", "publishers": ["Independently Published"], "source_records": ["bwb:9798358297340"], "title": "How to Maintain Your Hydronic Heating System for Beginners", "weight": "0.105", "subtitle": "Smart Heating Systems for Cost-Effective Retrofitting", "works": [{"key": "/works/OL34247545W"}], "key": "/books/OL46426884M", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2023-01-18T03:30:39.627422"}, "last_modified": {"type": "/type/datetime", "value": "2023-01-18T03:30:39.627422"}}