TY  - SER
AU  - Crawford, Gary W.
TI  - Dating the entry of corn (Zea Mays) into the lower great lakes region
T2  - American Antiquity ; 
PY  - 1997///
CY  - Washington-US : 
PB  - Society for American Archaeology, 
N1  - At¡culo dentro de: Reports
ER  -