@article{schaden_2007,  title={Confinement by design?},  volume={37},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332007000200009},  DOI={10.1590/S0103-97332007000200009},  number={1b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Schaden, Martin},  year={2007},  month={Mar},  pages={214–218} }