000 | 00654nam a2200193Ia 4500 | ||
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008 | 170503s9999||||xx |||||||||||||| ||und|| | ||
080 | _a550.4 | ||
245 | 0 |
_aFractional precipitation of rare earths with phosphoric acid / _cby M. K. Carron...[et al.]. |
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260 |
_aWashington : _bUnited States Government Printing Office, _c1958 |
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300 | _aP. 253-275. -- | ||
336 |
_2isbdcontent _aTexto (visual) |
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337 |
_2isbdmedia _3Impreso _asin mediación |
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490 | _aGeological Survey Bulletin | ||
490 | _v 1036-N | ||
650 | _aGeoquímica | ||
942 | _2cdu | ||
942 | _cBK | ||
999 |
_c21122 _d21122 |