@article{picanço_2013,  title={Optimality theory and historical phonology: an example from nasal harmony in Mundurukú},  volume={57},  ISSN={1981-5794},  url={https://doi.org/10.1590/S1981-57942013000100011},  DOI={10.1590/S1981-57942013000100011},  number={1},  journal={Alfa: Revista de Linguística (São José do Rio Preto)},  publisher={Universidade Estadual Paulista Júlio de Mesquita Filho},  author={Picanço, Gessiane},  year={2013},  pages={257–274} }