 @article{ribeiro_yuan_morelli_2012,  title={Effect of Chemically Treated Leather Shaving Addition on characteristics and microstructure of OPC mortars},  volume={15},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392012005000006},  DOI={10.1590/S1516-14392012005000006},  number={1},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Ribeiro, Daniel Veras and Yuan, Shi Yung and Morelli, Marcio R.},  year={2012},  month={Jan},  pages={136–143} }