An association mapping approach to identify flowering time genes in natural populations of Lolium perenne (L.) - Skøt, Leif; Humphreys, Mervyn O.; Armstead, Ian; Heywood, Sue; Skøt, Kirsten P.; Sanderson, Ruth; Thomas, Ian D.; Chorlton, Ken H.; Hamilton, Ruaraidh Sackville (Springer, 2005)