Reference

Hong-Rui Fan, Ting-Guang Lan, Fang-Fang Hu, Kui-Feng Yang (2011): Genesis of the Weishan REE deposit in the Shandong Province, eastern China: evidences from Rb-Sr isochron age, LA-MC-ICPMS Nd isotopic composition and fluid inclusions – Berichte der Geologischen Bundesanstalt – 87: 88.