Vogler, Helmut Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;
https://link.springer.com/content/pdf/10.1007%2FBF00554387.pdf (Any fulltext)
https://doi.org/10.1007/BF00554387 (Any fulltext)
Vogler, H. (1981). Determination of resonance integrals for transanular interactions within semiempirical theories. Theoretica Chimica Acta, 60(1), 65-71. doi:10.1007/BF00554387.