https://www.researchgate.net/publication/250130727_Magnetism_of_Earth_Planetary_and_Environmental_Nanomaterials
https://www.researchgate.net/publication/275333061_Magnetic_granulometry_from_equilibrium_magnetization_measurements_Mineral_magnetometry_of_superparamagnetic_particles_and_application_to_synthetic_ferrihydrites
https://www.researchgate.net/publication/270473313_Constraints_on_structural_models_of_ferrihydrite_as_a_nanocrystalline_material
Article Magnetism of Earth, Planetary, and Environmental Nanomaterials
Article Magnetic granulometry from equilibrium magnetization measure...
Article Constraints on structural models of ferrihydrite as a nanocr...