Laylander, D. (1995). The question of prehistoric agriculture among the western Yumans. Universidad Autónoma de Baja California.
Chicago Style aipamenaLaylander, Don. The Question of Prehistoric Agriculture Among the Western Yumans. Universidad Autónoma de Baja California, 1995.
MLA aipamenaLaylander, Don. The Question of Prehistoric Agriculture Among the Western Yumans. Universidad Autónoma de Baja California, 1995.
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