?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=V&rft.au=Reyes-Garcia%2C+V&rft.aulast=Reyes-Garcia&rft.atitle=Ethnobotanical+knowledge+and+crop+diversity+in+swidden+fields%3A+a+study+in+a+native+Amazonian+society&rft.title=Human+Ecology&rft.date=2008&rft.volume=36&rft.pages=569-580&rft.issue=4&rft.genre=article