TY  - GEN
AU  - Piperno,D R
TI  - Archaeology. On maize and the sunflower
SN  - 0036-8075
PY  - 2001///0712
KW  - Agriculture
KW  - history
KW  - Americas
KW  - Crops, Agricultural
KW  - Cucurbitaceae
KW  - Fossils
KW  - Helianthus
KW  - History, Ancient
KW  - Pollen
KW  - Seeds
KW  - Zea mays
N1  - Publication Type: Historical Article; Journal Article
UR  - https://doi.org/10.1126/science.1062689
ER  -