@article{saikia_brito_2013,  title={Waste polyethylene terephthalate as an aggregate in concrete},  volume={16},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392013005000017},  DOI={10.1590/S1516-14392013005000017},  number={2},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Saikia, Nabajyoti and Brito, Jorge de},  year={2013},  month={Mar},  pages={341–350} }