Harveson, R M Fungicide Registration and a Small Niche Market: A Case History of Hymexazol Seed Treatment and the U.S. Sugar Beet Industry. [electronic resource] - Plant disease Jul 2007 - 780-790 p. digital Publication Type: Journal Article ISSN: 0191-2917 Standard No.: 10.1094/PDIS-91-7-0780 doi