| Publication Type: | Journal Article |
| Year of Publication: | 1969 |
| Authors: | A. E. Quezada |
| Journal: | Bolet{\'ın de la Sociedad de Biolog{\'ıa de Concepción |
| Volume: | tomo XLII |
| Pagination: | 75-80 |
| Publication Type: | Journal Article |
| Year of Publication: | 1969 |
| Authors: | A. E. Quezada |
| Journal: | Bolet{\'ın de la Sociedad de Biolog{\'ıa de Concepción |
| Volume: | tomo XLII |
| Pagination: | 75-80 |