Yg. Pashkevich et al., FAR-INFRARED ABSORPTION CAUSED BY SPIN-PHONON CORRELATIONS IN THE ND2CUO4, Czechoslovak journal of Physics, 46, 1996, pp. 1069-1070
The spin-dependent one-phonon far-infrared absorption from the Brillou
in zone boundary of the paramagnetic phase of Nd2CuO4 is discovered an
d insighted.