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Sponsored in part by the King Gustaf VI. Adolf's 70-Years Fund for Swedish Culture Knut and Alice Wallenberg's Foundation, and in part by the U. S. Public Health Service Research Grant No. CA 06850-01 to Uppsala University.
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Lindner, P., Mårtensson, O. A semiempirical approach to hyperconjugation and application to toluene, the xylenes and mesitylene. Theoret. Chim. Acta 7, 352–355 (1967). https://doi.org/10.1007/BF00537512
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DOI: https://doi.org/10.1007/BF00537512