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https://www.academia.edu/15326835/Phytoliths_as_a_tool_for_investigations_of_agricultural_…

…Sheffield of cross-shaped phytoliths from maize distinguish maize from wild (UK) Wiki online tutoriale http://archaeobotany.dept.shef.ac.uk/ grasses other than Zea and Tripsacum (Pearsall, 1978; Piperno, 1984; wiki/index.php/Main_Page. For monographs and books with Piperno and Pea…