BaFe12O19 SMALL PARTICLES : FORMATION. PARTICLE SIZE AND MAGNETIC PROPERTIES R. Ardiaca, M. Medarde, X. Obradors, M. Vallet, M. Pernet, J. Rodríguez et J. FontcubertaJ. Phys. Colloques, 49 C8 (1988) C8-1849-C8-1850DOI: https://doi.org/10.1051/jphyscol:19888846