@article{kiryakova_mihaleva_atanassov_2016,  title={Effect of Metal Acetylacetonates on the Photooxidative Destruction of High Density Polyethylene},  volume={19},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2015-0516},  DOI={10.1590/1980-5373-MR-2015-0516},  number={4},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Kiryakova, Dimitrina and Mihaleva, Stiliyana and Atanassov, Atanas},  year={2016},  month={Jul},  pages={901–907} }