The convenience in varying zoological classification in that which refers to man
| Cyhoeddwyd yn: | Philippiniana Sacra Vol. XLVI, no. 138 (Sep. 2011 - Dec. 2011), 759-774 |
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| Prif Awdur: | |
| Fformat: | Erthygl |
| Iaith: | English Spanish |
| Cyhoeddwyd: |
2011
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| Pynciau: |