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Wiberg, K.B.; Connon, H.A.; Pratt, W.E., Enthalpies of acetolysis of tricyclo[3.2.1.01,5]octane ([3.2.1]propellane) and 1,3-dehydroadamantane, J. Am. Chem. Soc., 1979, 101, 6970-6972. [all data]