Xia, X C and Reif, J C and Melchinger, A E and Frisch, M and Hoisington, D A and Beck, D and Pixley, K and Warburton, M L (2005) Genetic diversity among CIMMYT maize inbred lines investigated with SSR markers: II. subtropical, tropical midaltitude, and highland maize inbred lines and their relationships with elite U.S. and European maize. Crop Science, 45 (6). pp. 2573-2582.