@article{vasconcelos_1988,  title={Distribution of Atta (Hymenoptera - Formicidae) in "terra-firme" rain forest of Central Amazonia: density, species composition and preliminary results on effects of forest fragmentation},  volume={18},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921988183315},  DOI={10.1590/1809-43921988183315},  number={3-4},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Vasconcelos, Heraldo Luís de},  year={1988},  pages={309–315} }