 @article{bianchi_miyazawa_oliveira_pavan_2008,  title={Relationship between the mass of organic matter and carbon in soil},  volume={51},  ISSN={1516-8913},  url={https://doi.org/10.1590/S1516-89132008000200005},  DOI={10.1590/S1516-89132008000200005},  number={2},  journal={Brazilian Archives of Biology and Technology},  publisher={Instituto de Tecnologia do Paraná - Tecpar},  author={Bianchi, Silmara R. and Miyazawa, Mario and Oliveira, Edson L. de and Pavan, Marcos Antonio},  year={2008},  month={Mar},  pages={263–269} }