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http://hdl.handle.net/2123/3755
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| Title: | Nature's time clock |
| Keywords: | nuclear physics Ussher Earth?s age carbon dating Willard Libby cosmic rays isotope carbon-14 atomic nucleus proton neutron radioactivity potassium-40 |
| Issue Date: | 26-Mar-1962 |
| Series/Report no.: | Frontiers of Science |
| Description: | Issue 29 |
| URI: | http://hdl.handle.net/2123/3755 |
| Appears in Collections: | Frontiers of Science |
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