@article{silveira_rabêlo_rezende_rabelo_bianchini_2016,  title={Eggshell as a source of calcium in the production, nutrition and bromatological composition of 'Piatã' and 'Marandu' grasses},  volume={20},  ISSN={1415-4366},  url={https://doi.org/10.1590/1807-1929/agriambi.v20n2p113-118},  DOI={10.1590/1807-1929/agriambi.v20n2p113-118},  number={2},  journal={Revista Brasileira de Engenharia Agrícola e Ambiental},  publisher={Unidade Acadêmica de Engenharia Agrícola},  author={Silveira, Nágila H. da and Rabêlo, Flávio H. S. and Rezende, Adauton V. de and Rabelo, Carlos H. S. and Bianchini, Hudson C.},  year={2016},  month={Feb},  pages={113–118} }