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Turova-Pollyak, M.B.; Koshelev, A.F.; Sage, B.H., Isomerization of Polymethylene Hydrocarbons under the Influence of Aluminum Chloride IV. Isomerization of Butylcyclopentane, J. Gen. Chem. (U.S.S.R.), 1939, 9, 2179-83. [all data]