Physics Letters A · 1971 · 26 citations · 3 references
Natural SciencesMaterials SciencePhysicsCondensed Matter PhysicsElectronic MaterialsMaterials PhysicsDielectricsFerroelectric CeramicsFerroelectric MaterialsPiezoelectric MaterialsSoft Condensed MatterSoft MaterialsFerroelectric PropertiesFerroelectricityImproper FerroelectricitySoft ModesSoft-mode Theory
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