| Name | Info | Provider | Link |
|---|---|---|---|
| free resource | Scientific Electronic Library Online | https://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242019000200601&lng=en&nrm=iso&tlng=en | |
| Full text from | free resource | Zurich Open Access Repository and Archive | https://doi.org/10.5167/uzh-176997 |