J. E. Ridley and M. C. Zerner, “An Intermediate Neglect of Differential Overlap Technique for Spectroscopy: Pyrrole and the Azines,” Theor. Chem. Acc., 32 (1973) 111-34. DOI: 10.1007/BF00528484
J. E. Ridley and M. C. Zerner, “An Intermediate Neglect of Differential Overlap Technique for Spectroscopy: Pyrrole and the Azines,” Theor. Chem. Acc., 32 (1973) 111-34. DOI: 10.1007/BF00528484
