Title: Spektry pogloshchenii︠a︡ poliftorzameshchennykh aromaticheskikh i geterot︠s︡iklicheskikh soedineniĭ v infrakrasnoĭ, ulʹtrafioletovoĭ i vidimoĭ oblasti︠a︡kh
Subjects: Heterocyclic compounds, Aromatic compounds, Spectra, Charts, diagrams, Absorption spectra