Citation: Melanie C. Francisco; Christos D. Malliakas; Paula M. B. Piccoli; Matthias J. Gutmann; Arthur J. Schultz; Mercouri G. Kanatzidis (2010). Development and Loss of Ferromagnetism Controlled by the Interplay of Ge Concentration and Mn Vacancies in Structurally Modulated Y4Mn1-xGa12-yGey. Journal of the American Chemical Society, 132, pp. 8998-9006.