Magnetooptical Kerr Spectra in Sputtered Strontium Ferrite Films S. Visnovský, M. Nývlt, R. Krishnan, B. Ramamurthy Acharya, S. Prasad et N. Venkatramani J. Phys. IV France, 07 C1 (1997) C1-721-C1-722 DOI: 10.1051/jp4:19971294