@article{2001, title={XXIst Brazilian National Meeting on Particles and Fields: FOREWORD}, volume={31}, ISSN={0103-9733}, url={https://doi.org/10.1590/S0103-97332001000200001}, DOI={10.1590/S0103-97332001000200001}, number={2}, journal={Brazilian Journal of Physics}, publisher={Sociedade Brasileira de Física}, year={2001}, month={June}, pages={111–114} }