<style face="normal" font="default" size="100%">Ecological aspects of swidden cultivation among the Andoke and Witoto Indians of the Colombian Amazon</style>

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0<style face="normal" font="default" size="100%">Ecological aspects of swidden cultivation among the Andoke and Witoto Indians of the Colombian Amazon</style><style face="normal" font="default" size="100%">Ecological aspects of swidden cultivation among the Andoke and Witoto Indians of the Colombian Amazon</style>