Geahča maid

• (Table 2, page 51) Contents in rare earth elements for a manganese nodule of the western North Pacific retrieved during the JEDS-4 cruise of the R/V Ryofu Maru
  Dahkki: Sugimura, Y, et al.
  Almmustuhtton: (1975)
• (Appendix) Rare earth element concentrations of individual zircon domains from Gjelsvikfjella, Dronning Maud Land
  Dahkki: Bisnath, Avinash, et al.
  Almmustuhtton: (2006)
• (Table 3) Total acid-soluble concentrations of rare earth elements in unfiltered rainwater from the eastern slopes of the Yunnan-Guizhou Plateau
  Dahkki: Zhu, Zhaozhou, et al.
  Almmustuhtton: (2017)
• (Table 1, Page 307) Contents of REE and other elements in ferromanganese concretions from the Polish EEZ and the Gulf of Bothnia
  Dahkki: Szefer, Piotr, et al.
  Almmustuhtton: (1998)
• (Table 1) Dissolved concentration of rare earth elements in rain waters from the eastern slopes of the Yunnan-Guizhou Plateau
  Dahkki: Zhu, Zhaozhou, et al.
  Almmustuhtton: (2017)