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Evans, C.S. and Seeley, J.S. (1968) Properties of thick evaporated layers of PbTe. Journal de Physique Colloques, 29 (C4). pp. 34-37. doi: https://doi.org/10.1051/jphyscol:1968405

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Gerratt, J. and Mills, I. (1968) Force constants and dipole moment derivatives of molecules from perturbed Hartree-Fock calculations II. Applications to limited basis set SCF-MO wavefunctions. The Journal of Chemical Physics, 49. pp. 1730-1739. ISSN 0021-9606 doi: https://doi.org/10.1063/1.1670300

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