@article{arkcoll_1981,  title={Algumas variedades interessantes de mandioca (Manihot esculenta Crantz) da Amazônia <sup>(</sup><sup>)</sup>},  volume={11},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921981112207},  DOI={10.1590/1809-43921981112207},  number={2},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Arkcoll, D. B.},  year={1981},  month={Apr},  pages={207–211} }