TY  - SER
AU  - Pearsall, Deborah M.
TI  - Antiquity of maize cultivation in Ecuador : : summary and reevaluation of the evidence
T2  - American Antiquity ; 
PY  - 1990///
CY  - Washington-US : 
PB  - Society for American Archaeology, 
N1  - Artículo dentro de: Reports
ER  -