Nanoparticle chain-like formation in electrical double-layered magnetic fluids evidenced by small-angle X-ray scattering R. Itri, J. Depeyrot, F.A. Tourinho and M.H. SousaEur. Phys. J. E, 4 2 (2001) 201-208DOI: https://doi.org/epje/v4/p201(e0030)