@misc{Liu_J.Y._Concentrations_2015,
 author={Liu, J.Y. and Zhuo, Z. and Sun, S. and Ning, X. and Zhao, S. and Xie, W. and Wang, Y. and Zheng, L. and Huang, R. and Li, B.},
 copyright={na miejscu},
 howpublished={online},
 year={2015},
 publisher={HARD Publishing Company},
 abstract={od strony: 165},
 title={Concentrations of heavy metals in six municipal sludges from guangzhou and their potential ecological risk assessment for agricultural land use},
 type={artykuł z czasopisma},
}