@article{pontes_barbosa_maas_2004,  title={Flora Paraibana: Annonaceae Juss},  volume={18},  ISSN={0102-3306},  url={https://doi.org/10.1590/S0102-33062004000200008},  DOI={10.1590/S0102-33062004000200008},  number={2},  journal={Acta Botanica Brasilica},  publisher={Sociedade Botânica do Brasil},  author={Pontes, Aline Fernandes and Barbosa, Maria Regina de V. and Maas, Paul J.M.},  year={2004},  month={Apr},  pages={281–293} }