@article{rezende_zylbersztajn_2012,  title={Pacta sunt servanda versus the social role of contracts: the case of Brazilian agriculture contracts},  volume={50},  ISSN={0103-2003},  url={https://doi.org/10.1590/S0103-20032012000200001},  DOI={10.1590/S0103-20032012000200001},  number={2},  journal={Revista de Economia e Sociologia Rural},  publisher={Sociedade Brasileira de Economia e Sociologia Rural (SOBER)},  author={Rezende, Christiane Leles and Zylbersztajn, Decio},  year={2012},  month={Apr},  pages={207–221} }