Fisher, Ronald Aylmer, Sir, 1890-19622006-11-172006-11-171949Proceedings of the 8th International Congress of Genetics (supplement to Hereditas), 225-233 (1949).http://hdl.handle.net/2440/15144Reproduced with permission of Hereditas.327197 bytesapplication/pdfen235: The Linkage Problem in a Tetrasomic Wild Plant, Lythrum Salicaria.Journal article