title: Electronic spectra of nucleic acid bases. I. Interpretation of the in-plane spectra with the aid of all valence electron MO-CI calculations.
mesh_terms: D000225:Adenine; D003596:Cytosine; D007042:Hypoxanthines; D008433:Mathematics; D009696:Nucleic Acids; D011522:Protons; D011687:Purines; D011743:Pyrimidines; D013057:Spectrum Analysis; D014498:Uracil
chemical_list: D007042:Hypoxanthines; D009696:Nucleic Acids; D011522:Protons; D011687:Purines; D011743:Pyrimidines; D014498:Uracil; D003596:Cytosine; D000225:Adenine