{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "weight": "2.7 pounds", "publishers": ["Springer"], "type": {"key": "/type/edition"}, "number_of_pages": 425, "id": 10606324, "isbn_13": ["9780792345176"], "isbn_10": ["0792345177"], "publish_date": "December 31, 1899", "key": "/b/OL7808371M", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "title": "Sturgeon Biodiversity and Conservation (Developments in Environmental Biology of Fishes)", "contributions": ["Vadim J. Birstein (Editor)", "John R. Waldman (Editor)", "William E. Bemis (Editor)"], "subjects": ["Fishes (ichthyology)", "Hydrobiology", "Wildlife Conservation", "Nature", "Ichthyology", "Variation", "Science/Mathematics", "Sturgeons", "Reptiles, Amphibians & Terrariums", "Lakes & Ponds", "Nature / Lakes & Ponds", "Conservation", "Fish"], "physical_dimensions": "10.2 x 7.8 x 0.8 inches", "revision": 1}