Seip; Brauer
Journal of the American Chemical Society, 1992 , vol. 114, # 12 p. 4486 - 4490

Brockmann et al.
Justus Liebigs Annalen der Chemie, 1942 , vol. 553, p. 1;
Chemische Berichte, 1951 , vol. 84, p. 865

Clar
Chemische Berichte, 1949 , vol. 82, p. 46,55, 59
Nature (London, United Kingdom), 1948 , vol. 161, p. 238
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Clar,E.
Polycyclic Hydrocarbons Bd. 2 <London 1964> S. 48