@article{doran_zander_2012,  title={An improved method for measuring soil microbial activity by gas phase flow injection analysis},  volume={36},  ISSN={0100-0683},  url={https://doi.org/10.1590/S0100-06832012000200004},  DOI={10.1590/S0100-06832012000200004},  number={2},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Doran, Gregory and Zander, Alek},  year={2012},  month={Mar},  pages={349–357} }