Letter from John Edward Lennard-Jones, regarding three papers 'Polar structures in the theory of conjugated molecules I. Identification of the ethylene p-electron states', 'Polar structures in the theory of conjugated molecules. II. Symmetry properties and matrix elements for polar structures' and 'Polar structures in the theory of conjugated molecules III. The energy levels of benzene' by David Parker Craig

John Edward Lennard-Jones, Letter from John Edward Lennard-Jones, regarding three papers 'Polar structures in the theory of conjugated molecules I. Identification of the ethylene p-electron states', 'Polar structures in the theory of conjugated molecules. II. Symmetry properties and matrix elements for polar structures' and 'Polar structures in the theory of conjugated molecules III. The energy levels of benzene' by David Parker Craig, 06 June 1949, RR/71/86, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/rr_71_86/letter-from-john-edward-lennard-jones-regarding-three-papers-polar-structures-in-the-theory-of-conjugated-molecules-i-identification-of-the-ethylene-p-electron-states-polar-structures-in-the-theory-of-conjugated-molecules-ii-symmetry-properties-and-matrix-elements-for-polar-structures-and-polar-structures-in-the-theory-of-conjugated-molecules-iii-the-energy-levels-of-benzene-by-david-parker-craig, accessed on 20 January 2025

https://makingscience.royalsociety.org/items/rr_71_86/letter-from-john-edward-lennard-jones-regarding-three-papers-polar-structures-in-the-theory-of-conjugated-molecules-i-identification-of-the-ethylene-p-electron-states-polar-structures-in-the-theory-of-conjugated-molecules-ii-symmetry-properties-and-matrix-elements-for-polar-structures-and-polar-structures-in-the-theory-of-conjugated-molecules-iii-the-energy-levels-of-benzene-by-david-parker-craig

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