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| 008 | 160510b xxu||||| |||| 00| 0 eng d | ||
| 082 | _a546.405 P943 | ||
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_aPROGRESS IN THE SCIENCE AND TECHNOLOGY OF THE RARE EARTHS _b |
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| 260 |
_a _b _c1968 |
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| 300 | _a1-3 v.,,,,,, | ||
| 650 | _aFUROPYRONE | ||
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