{"first_sentence": {"type": "/type/text", "value": "The logical starting point is a question: Why do we need to measure things?"}, "physical_format": "Hardcover", "subtitle": "Perspectives in Industrial Ecology (Environment & Policy)", "weight": "1.6 pounds", "languages": [{"key": "/l/eng"}], "type": {"key": "/type/edition"}, "publishers": ["Springer"], "number_of_pages": 364, "isbn_13": ["9780792351535"], "id": 10606255, "edition_name": "1 edition", "isbn_10": ["0792351533"], "publish_date": "June 30, 1998", "key": "/b/OL7808706M", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "title": "Managing a Material World", "contributions": ["Pier Vellinga (Editor)", "Frans Berkhout (Editor)", "J. Gupta (Editor)"], "subjects": ["Central government policies", "Conservation of the environment", "Nature/Ecology", "Industrial ecology", "Ecology", "Environmental Policy", "Science", "Nature", "Nature / Field Guide Books", "Life Sciences - Ecology", "Economics - General", "Environmental Science", "Natural Resources", "Science / Environmental Science"], "physical_dimensions": "9.8 x 6.5 x 1 inches", "revision": 1}