@article{pires_guerra-sommer_2011, title={Growth ring analysis of fossil coniferous woods from early cretaceous of Araripe Basin (Brazil)}, volume={83}, ISSN={0001-3765}, url={https://doi.org/10.1590/S0001-37652011005000005}, DOI={10.1590/S0001-37652011005000005}, number={2}, journal={Anais da Academia Brasileira de Ciências}, publisher={Academia Brasileira de Ciências}, author={Pires, Etiene F. and Guerra-Sommer, Margot}, year={2011}, month={June}, pages={409–423} }