@article{natale_2007,  title={Phenomenology of infrared finite gluon propagator and coupling constant},  volume={37},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332007000200023},  DOI={10.1590/S0103-97332007000200023},  number={1b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Natale, A. A.},  year={2007},  month={Mar},  pages={306–312} }