| Citation | Rückert, J., 1891. Über die Befruchtung bei Elasmobrancheiern. Verhandlungen der Anatomischen Gesellschaft 5:253-254. |
| DOI / ISBN | |
| PDF/Reference URL | https://books.google.ca/books?id=nbE2AQAAMAAJ&printsec=frontcover#v=onepage&q&f=false |
| Ref. No. | 136664 |
| Language | German |
| Usage | not used yet |
| Comments on the publication | |
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