@article{gehring_park_denich_2008,  title={Close relationship between diameters at 30cm height and at breast height (DBH)},  volume={38},  ISSN={0044-5967},  url={https://doi.org/10.1590/S0044-59672008000100008},  DOI={10.1590/S0044-59672008000100008},  number={1},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Gehring, Christoph and Park, Soojin and Denich, Manfred},  year={2008},  pages={71–76} }