@article{sial_ferreira_toselli_aceñolaza_alonso_parada_2000,  title={delta13C fluctuations in precambrian to cambrian carbonate sequences in NE Brazil and NW Argentina},  volume={72},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652000000400022},  DOI={10.1590/S0001-37652000000400022},  number={4},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Sial, Alcides N. and Ferreira, Valderez P. and Toselli, Alejandro J. and Aceñolaza, Florencio G. and Alonso, Ricardo and Parada, Miguel A.},  year={2000},  month={Dec},  pages={603–603} }