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Shellhamer, Dale F. Anstine, D. Timothy Gallego, Kelly M. Ganesh, Brian R. Hanson, Aaron A. et al. Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1995 , # 4 p. 861 - 866
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Strohmeier, W. Hellmann, H. Chemische Berichte, 1964 , vol. 96, p. 2859 - 2866 Full Text Show Details Gmelin Handbook: Cr: Org.Verb., 1.6.1.1.1, page 171 - 177