INELASTIC LIGHT SCATTERING BY MAGNONS IN ANTIFERROMAGNETIC EuTe S. O. Demokritov, L. A. Klinkova, N. M. Kreines and V. I. Kudinov J. Phys. Colloques, 49 C8 (1988) C8-1581-C8-1582 DOI: 10.1051/jphyscol:19888723