R. Ditchfield, “Self-consistent perturbation theory of diamagnetism. 1. Gauge-invariant LCAO method for N.M.R. chemical shifts,” Mol. Phys., 27 (1974) 789-807. DOI: 10.1080/00268977400100711
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R. Ditchfield, “Self-consistent perturbation theory of diamagnetism. 1. Gauge-invariant LCAO method for N.M.R. chemical shifts,” Mol. Phys., 27 (1974) 789-807. DOI: 10.1080/00268977400100711
