@article{zoppi_duek_coraça_barros_2001,  title={Preparation and characterization of poly (L-lactic acid) and poly(ethylene oxide) blends},  volume={4},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392001000200014},  DOI={10.1590/S1516-14392001000200014},  number={2},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Zoppi, R.A. and Duek, E.A.R. and Coraça, D.C. and Barros, P.P.},  year={2001},  pages={117–125} }