Influence of the coupling in quadrature of two displacement modes and of the phase of the modulation wave on e.s.r. line shapes and relaxation, in the incommensurate phase of ThBr4 : Gd3+
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J. Phys. France, 46 12 (1985) 2099-2105
DOI: 10.1051/jphys:0198500460120209900