@article{kohlhepp_2005,  title={Scientific findings of Alexander von Humboldt's expedition into the Spanish-American Tropics (1799-1804) from a geographical point of view},  volume={77},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652005000200010},  DOI={10.1590/S0001-37652005000200010},  number={2},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Kohlhepp, Gerd},  year={2005},  month={Jun},  pages={325–342} }