Specific natural ferromagnetic resonance in amorphous microwires covered by glass insulation S.A. Baranov, V.S. Larin, A.V. Torcunov and A.N. Antonenco J. Phys. IV France, 08 PR2 (1998) Pr2-265-Pr2-268 DOI: 10.1051/jp4:1998263