| Citation | Vasseur, E. 1952 Geographic variation in the Norwegian sea urchins Strongylocentrotus droebachiensis and S. pallidus. Evolution 6:87-100. |
| DOI / ISBN | |
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| Ref. No. | 107064 |
| Language | English |
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| Find this reference in | Google Scholar | Scirus | Species used from this reference |
| Cross references | 106947 |