 @article{pinto_hartmann_santos_mcnaughton_2015,  title={Zircon ages delimit the provenance of a sand extrudite from the Botucatu Formation in the Paraná volcanic province, Iraí, Brazil},  volume={87},  ISSN={0001-3765},  url={https://doi.org/10.1590/0001-3765201520130222},  DOI={10.1590/0001-3765201520130222},  number={3},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={PINTO, VITER M. and HARTMANN, LÉO A. and SANTOS, JOÃO O.S. and MCNAUGHTON, NEAL J.},  year={2015},  month={Sep},  pages={1611–1622} }