The Diffusion of Maize to the Southwestern United States and Its Impact

Autor: Merrill, William L., Hard, Robert J., Mabry, Jonathan B., Fritz, Gayle J., Adams, Karen R., Roney, John R., MacWilliams, A. C.
Zdroj: Proceedings of the National Academy of Sciences of the United States of America, 2009 Dec . 106(50), 21019-21026.
Databáze: JSTOR Journals