{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "Proceedings of a Symposium Held in San Antonio, Texas, 23 Oct. 1990 (C S S a Special Publication)", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "publishers": ["Crop Science Society of America"], "type": {"key": "/type/edition"}, "title": "Use of Plant Introductions in Cultivar Development", "id": 11130180, "isbn_13": ["9780891185345"], "isbn_10": ["0891185348"], "publish_date": "January 1992", "key": "/b/OL8219309M", "authors": [{"key": "/a/OL2897279A"}], "contributions": ["L. E. Wiesner (Editor)"], "subjects": ["Science/Mathematics", "Agriculture - Agronomy", "Plant breeding", "Field Crop Breeding", "Plant Genetics", "Technology & Industrial Arts", "United States", "Plant introduction", "Congresses", "Crop improvement"], "revision": 1}