Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 94American Philosophical Society, 1950 |
Зміст
On a Proposal to Use the Extragalactic Nebulae in Measuring the Proper Motions | 1 |
1 | 24 |
Postglacial Marine Submergence of Arctic North America with Special Reference to | 31 |
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