@article{lima_mendonça_roig_2010,  title={Contribution of humic substances from different composts to the synthesis of humin in a tropical soil},  volume={34},  ISSN={0100-0683},  url={https://doi.org/10.1590/S0100-06832010000400004},  DOI={10.1590/S0100-06832010000400004},  number={4},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Lima, Claudivan Costa and Mendonça, Eduardo de Sá and Roig, Asunción},  year={2010},  month={Jul},  pages={1041–1048} }