Riley, Thomas J. <br/><br/>
Accelerator mass spectrometry (AMS)  dates confirm early Zea Mays in the Mississippi river valley. 

 - Washington-US :   Society for American Archaeology,   1994. 
 - p. 490-498 :   il. 
 - Trimestral 
 - Vol. 59, no, 3 (Jul 1994) 
 - American Antiquity ;   vol. 59 no. 3 .
 - Washington.   Society for American Archaeology. .
<br/><br/> Artículo dentro de: Reports. 
<br/><br/><br/>Inglés.