Harra, LK; Matthews, S; Culhane, JL; Cheung, MCM; Kontar, EP; Hara, H; (2013) The location of non-thermal velocity in the early phases of large flares - Revealing pre-eruption flux ropes. The Astrophysical Journal , 774 (2) , Article 122. 10.1088/0004-637X/774/2/122. Green open access