@article{fiera_2009,  title={Biodiversity of Collembola in urban soils and their use as bioindicators for pollution},  volume={44},  ISSN={0100-204X},  url={https://doi.org/10.1590/S0100-204X2009000800010},  DOI={10.1590/S0100-204X2009000800010},  number={8},  journal={Pesquisa Agropecuária Brasileira},  publisher={Embrapa Secretaria de Pesquisa e Desenvolvimento; Pesquisa Agropecuária Brasileira},  author={Fiera, Cristina},  year={2009},  month={Aug},  pages={868–873} }