TY  - SER
AU  - Riley, Thomas J.
TI  - Accelerator mass spectrometry (AMS)  dates confirm early Zea Mays in the Mississippi river valley
T2  - American Antiquity ; 
PY  - 1994///
CY  - Washington-US : 
PB  - Society for American Archaeology, 
N1  - Artículo dentro de: Reports
ER  -