@article{boock_1957,  title={O farelo de torta de mamona na adubação da batatinha},  volume={16},  ISSN={0006-8705},  url={https://doi.org/10.1590/S0006-87051957000100015},  DOI={10.1590/S0006-87051957000100015},  number={unico},  journal={Bragantia},  publisher={Instituto Agronômico de Campinas},  author={Boock, O. J.},  year={1957},  pages={215–222} }