@article{sant'anna_souza_araujo_carvalho_yoshida_2008,  title={Physico-chemical analysis of flexible polyurethane foams containing commercial calcium carbonate},  volume={11},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392008000400009},  DOI={10.1590/S1516-14392008000400009},  number={4},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Sant'Anna, Sabrina Sá e and Souza, Denilson Arlindo de and Araujo, Danielle Marques de and Carvalho, Cornélio de Freitas and Yoshida, Maria Irene},  year={2008},  month={Oct},  pages={433–438} }