@article{rodrigues_arruda-neto_mesa_garcia_shtejer_dale_nakagawa_2006,  title={The nuclear matter effects in pi0 photoproduction at high energies},  volume={36},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332006000800007},  DOI={10.1590/S0103-97332006000800007},  number={4b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Rodrigues, T. E. and Arruda-Neto, J. D. T. and Mesa, J. and Garcia, C. and Shtejer, K. and Dale, D. and Nakagawa, I.},  year={2006},  month={Dec},  pages={1366–1370} }