Soviet Physics Uspekhi · 1966 · 54 citations · 0 references
Natural SciencesMaterials SciencePhysicsCondensed Matter PhysicsOptical MaterialsOpticsAtomic TransitionsCondensed Matter TheoryOptical Properties Of MaterialsOptical Properties Of SolidsOptical SpectroscopyStates Of MatterLight-matter InteractionOptical Absorption SpectraOptical PropertiesOptical TransitionsRadiative Transitions