@article{penna_daudt_durante_1993,  title={MINERAIS DE VITIS VINIFERA CULTIVADAS NA FRONTEIRA DO RIO GRANDE DO SUL},  volume={23},  ISSN={0103-8478},  url={https://doi.org/10.1590/S0103-84781993000100015},  DOI={10.1590/S0103-84781993000100015},  number={1},  journal={Ciência Rural},  publisher={Universidade Federal de Santa Maria},  author={Penna, Neidi Garcia and Daudt, Carlos Eugenio and Durante, Edgar Cesar},  year={1993},  month={Jan},  pages={81–85} }