Geahča maid

• (Table 1, page 10) Cobalt and chromium content in manganese nodules from various locations
  Dahkki: Arrhenius, Gustaf, et al.
  Almmustuhtton: (1963)
• (Table II, page 668-669) Distribution of elements between minerals soluble in 1M Hydroxylamine hydrochloride (Reducible); in 1m HCL (Acid-soluble) and in the insoluble residue of manganese nodules
  Dahkki: Arrhenius, Gustaf
  Almmustuhtton: (1963)
• Annotated record of the detailed examination of Mn deposits from the Albatross 1899-1900 stations
  Dahkki: Agassiz, Alexander, et al.
  Almmustuhtton: (1902)
• Chemical analyses of manganese nodules from the the Pacific Ocean determined by wet chemistry and X-ray fluoresence
  Dahkki: Mero, John L
  Almmustuhtton: (2023)
• Annotated record of the detailed examination of Mn deposits from the Albatross 1904-1905 stations
  Dahkki: Agassiz, Alexander
  Almmustuhtton: (1909)