| Journal: | Summa (Buenos Aires) |
| Database: | PERIÓDICA |
| System number: | 000070477 |
| ISSN: | 0325-4615 |
| Year: | 1980 |
| Season: | Jun |
| Number: | 150 |
| Pages: | 107-109 |
| Country: | Argentina |
| Disciplines: | Biología, Ciencia y tecnología |
| Keyword: | Ecología, Ciencias naturales |
| Keyword: | Biology, Science and technology, Ecology, Natural sciences |
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