| Citation | Beard, J., 1893. On a supposed law of metazoan development. Anatomische Anzeiger 8: 22-29. |
| DOI / ISBN | |
| PDF/Reference URL | https://www.biodiversitylibrary.org/page/11789000 |
| Ref. No. | 133741 |
| Language | English |
| Usage | not used yet |
| Comments on the publication | |
| Find this reference in | Google Scholar | Scirus | Species used from this reference |