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James B. Hedrick
The global rare-earth cycle
Journal of Alloys and Compounds Volume 225, Issues 1-2, Pages 609-618
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http://dx.doi.org/10.1016/0925-8388(94)07134-9lhan Olmez, Edward R. Sholkovitz, Diane Hermann e.a.
Rare earth elements in sediments off Southern California: a new anthropogenic indicator
Environ. Sci. Technol., 1991, 25 (2), pp 310–316
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http://dx.doi.org/10.1021/es00014a015Marc Steinmann, Peter Stille
Rare earth element behavior and Pb, Sr, Nd isotope systematics in a heavy metal contaminated soil
Applied Geochemistry
Volume 12, Issue 5, September 1997, Pages 607-623
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http://dx.doi.org/10.1016/S0883-2927(97)00017-6 Yoshiyuki Nozakia, Dorte Lerchea, Dia Sotto Aliboa e.a.
Dissolved indium and rare earth elements in three Japanese rivers and Tokyo Bay: Evidence for anthropogenic Gd and In
Geochimica et Cosmochimica Acta
Volume 64, Issue 23, 1 December 2000, Pages 3975-3982
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http://dx.doi.org/10.1016/S0016-7037(00)00472-5 |Franoise Elbaz-Poulichet, Jean-Luc Seidel and Clara Othoniel
Occurrence of an anthropogenic gadolinium anomaly in river and coastal waters of Southern France
Water Research
Volume 36, Issue 4, February 2002, Pages 1102-1105
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http://dx.doi.org/10.1016/S0043-1354(01)00370-0