{"first_sentence": {"type": "/type/text", "value": "Retrotransposons are the most abundant and widely distributed class of eukaryotic transposable elements (Berg &amp; Howe, 1989)."}, "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "languages": [{"key": "/l/eng"}], "publishers": ["Springer"], "number_of_pages": 320, "isbn_13": ["9780792346906"], "id": 10606290, "edition_name": "<em>Reprinted from GENETICA, </em> edition", "isbn_10": ["0792346904"], "publish_date": "January 31, 1998", "key": "/b/OL7808465M", "authors": [{"key": "/a/OL2784255A"}], "title": "Evolution and Impact of Transposable Elements (Contemporary Issues in Genetics and Evolution)", "type": {"key": "/type/edition"}, "subjects": ["Genetics (non-medical)", "Science", "Genetic Code", "Science/Mathematics", "General", "Life Sciences - Biochemistry", "Life Sciences - Genetics & Genomics", "Science / Genetics", "Molecular evolution", "Molecular genetics", "Transposons"], "revision": 1}