{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "weight": "1.6 pounds", "publishers": ["Springer"], "type": {"key": "/type/edition"}, "number_of_pages": 208, "id": 10604906, "isbn_13": ["9780792327813"], "isbn_10": ["0792327810"], "publish_date": "December 31, 1899", "key": "/b/OL7807461M", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "title": "Symbiotic Nitrogen Fixation (Developments in Plant and Soil Sciences)", "contributions": ["P. Graham (Editor)", "Michael J. Sadowsky (Editor)", "Carroll P. Vance (Editor)"], "subjects": ["Bacteriology", "Botany & plant sciences", "Science", "Life Sciences - Ecology", "Microorganisms", "Rhizobium", "Science/Mathematics", "Nitrogen-fixing bacteria", "Environmental Science", "Life Sciences - Botany", "Science / Botany", "Congresses", "Fixation", "Nitrogen"], "physical_dimensions": "10.8 x 8 x 0.5 inches", "revision": 1}