X-RAY AND MAGNETIZATION STUDIES OF THE GEOMETRICAL PARAMETERS OF THE GRAINS OF A FERROFLUID R. ANTHORE, C. PETIPAS, D. CHANDESRIS et A. MARTINET J. Phys. Colloques, 38 C2 (1977) C2-203-C2-209 DOI: 10.1051/jphyscol:1977243