| Publication Type: | Journal Article |
| Year of Publication: | 1989 |
| Authors: | J. C. M. Carvalho |
| Journal: | Anais da Academia Brasileira de Ciências |
| Volume: | 61 |
| Pagination: | 92–104 |
| Publication Type: | Journal Article |
| Year of Publication: | 1989 |
| Authors: | J. C. M. Carvalho |
| Journal: | Anais da Academia Brasileira de Ciências |
| Volume: | 61 |
| Pagination: | 92–104 |