@article{gonzález varela_2013,  title={Caution and necessity},  volume={36},  ISSN={0100-6045},  url={https://doi.org/10.1590/S0100-60452013000200002},  DOI={10.1590/S0100-60452013000200002},  number={2},  journal={Manuscrito},  publisher={UNICAMP - Universidade Estadual de Campinas, Centro de Lógica, Epistemologia e História da Ciência},  author={González Varela, José Edgar},  year={2013},  month={Jul},  pages={229–261} }