@article{portillo valdés_2012,  title={El tiempo histórico del primer constitucionalismo en el Atlántico hispano. Balance y perspectivas},  ISSN={2236-4633},  url={https://doi.org/10.1590/2236-463320120407},  DOI={10.1590/2236-463320120407},  number={4},  journal={Almanack},  publisher={Universidade Federal de São Paulo - UNIFESP},  author={Portillo Valdés, José María},  year={2012},  month={Jul},  pages={101–112} }