Lambrecht, Johanna; Zsolnai, Laszlo; Huttner, Gottfried; Jochims, Johannes C.
Chemische Berichte, 1981 , vol. 114, # 11 p. 3655 - 3666

Birkinshaw, Timothy N.; Gillon, David W.; Harkin, Shaun A.; Meakins, G. Denis; Tirel, Malkom D.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , # 2 p. 147 - 153