@article{vidal_cintra_2006,  title={Effects of forest structure components on the occurence, group size and density of groups of bare-face tamarin (Saguinus bicolor - primates: Callitrichinae) in Central Amazonia},  volume={36},  ISSN={0044-5967},  url={https://doi.org/10.1590/S0044-59672006000200014},  DOI={10.1590/S0044-59672006000200014},  number={2},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Vidal, Marcelo Derzi and Cintra, Renato},  year={2006},  pages={237–248} }