Erratum: Cyclobutane Chemistry Professor Laytan L. MoCoy of the University of Missouri, Kanaae City, has kindly pointed 40,504,509 (1063). out anerror in our artielesoncyclobutanein~nlsJOURNAL, The ratio of the dissociation constants of the trans-1,3-eyclohutanedicarboxylic acid, listed in Table 1, p. 510, is fictitious. Please see L. McCoy, J. Am. Chnu. Sm.,85, 1321 (1963) for further details. ARWNWILSON BRISTOL-M\~~YERS PRDDTJCTS DIVISION NEWJERSEY HILLSIDE,
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