@article{oppenheimer_silveira_2009, title={A taxonomic review of the Dark-winged Trumpeter Psophia viridis (Aves: Gruiformes: Psophiidae)}, volume={49}, ISSN={0031-1049}, url={https://doi.org/10.1590/S0031-10492009004100001}, DOI={10.1590/S0031-10492009004100001}, number={41}, journal={Papéis Avulsos de Zoologia}, publisher={Museu de Zoologia da Universidade de São Paulo}, author={Oppenheimer, Marina and Silveira, Luís Fábio}, year={2009}, pages={547–555} }