@article {629, title = {Energy distribution in intrinsically coupled systems: The spring pendulum paradigm}, journal = {Physica A}, volume = {509}, year = {2018}, month = {06/2018}, pages = {1110-1119}, doi = {10.1016/j.physa.2018.06.089}, url = {https://doi.org/10.1016/j.physa.2018.06.089}, author = {M. C. de Sousa and F. A. Marcus and I. L. Caldas and R L Viana} }