@article{kerr_1975,  title={ACTA AMAZÔNICA. 1971-1975},  volume={5},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921975053206},  DOI={10.1590/1809-43921975053206},  number={3},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Kerr, Warwick Estevam},  year={1975},  month={Dec},  pages={206–206} }