Angelino, S.A.G.F.; Buurman, D.J.; Plas, H.C. van der; Mueller, F.
Recueil: Journal of the Royal Netherlands Chemical Society, 1982 , vol. 101, # 10 p. 342 - 346

Tittensor; Wibberley
Journal of the Chemical Society, 1958 , p. 3161,3162
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Sperber et al.
Journal of the American Chemical Society, 1959 , vol. 81, p. 704,707