Variation studies of some phacopid trilobites of Eruasia and North West Africa /
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| OCLC: | 57479362 |
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| 主要作者: | |
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| 語言: | English |
| 出版: |
1969.
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| 格式: | Thesis Monograph Microform Note that CRL will digitize material from the collection when copyright allows. |
| 實物描述: | 8 microfiches. |
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| Place of Publication: | England. |