@article{rayas amor_estrada flores_mould_castelán ortega_2012,  title={Nutritional value of forage species from the Central Highlands Region of Mexico at different stages of maturity},  volume={42},  ISSN={0103-8478},  url={https://doi.org/10.1590/S0103-84782012000400022},  DOI={10.1590/S0103-84782012000400022},  number={4},  journal={Ciência Rural},  publisher={Universidade Federal de Santa Maria},  author={Rayas Amor, Adolfo Armando and Estrada Flores, Julieta Gertrudis and Mould, Fergus Lawrence and Castelán Ortega, Octavio Alonso},  year={2012},  month={Apr},  pages={705–712} }