The Astrophysical Journal · 1925 · 44 citations · 0 references
Natural SciencesChemistryPhysical ChemistrySpectroscopic AnalysisSpectroscopyAbsorption SpectroscopyAtomic Absorption SpectroscopyElectronic SpectroscopyInfrared SpectroscopyMolecular Excited StatesUltraviolet-visible SpectroscopyMethane AbsorptionMolecular Absorption FeaturesMolecular Absorption Lines