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Patterson, T.S.; Dunn, E.F.; Buchanan, C.; Loudon, J.D., The influence of solvents and of other factors on the rotation of optically active compounds: xxix the rotation- dispersion of camphor, camphoroxime, isonitrosocamphor, and oxymethylenecamphor, J. Chem. Soc., 1932, 1932, 1714-25. [all data]