Clar
Chemische Berichte, 1932 , vol. 65, p. 846,849
Chemische Berichte, 1948 , vol. 81, p. 520,523
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Zinke; Holzer; Ziegler
Monatshefte fuer Chemie, 1951 , vol. 82, p. 645,647

Franck,H.-G.; Buffleb,H.
Justus Liebigs Annalen der Chemie, 1967 , vol. 701, p. 53 - 57

Badger,G.M. et al.
Australian Journal of Chemistry, 1964 , vol. 17, p. 1138 - 1146

Clar
Journal of the Chemical Society, 1949 , p. 2168,2171

Ioffe
Zhurnal Obshchei Khimii, 1933 , vol. 3, p. 524,526
Chem. Zentralbl., 1935 , vol. 106, # I p. 391
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Zinke; Ziegler
Chemische Berichte, 1941 , vol. 74, p. 115
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Braude et al.
Journal of the Chemical Society, 1954 , p. 1049,1056
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Schauenstein; Buergermeister
Chemische Berichte, 1943 , vol. 76, p. 1205
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Clar
Chemische Berichte, 1932 , vol. 65, p. 846,849
Chemische Berichte, 1948 , vol. 81, p. 520,523

Ioffe
Zhurnal Obshchei Khimii, 1933 , vol. 3, p. 524,526
Chem. Zentralbl., 1935 , vol. 106, # I p. 391
Full Text Show Details
Braude et al.
Journal of the Chemical Society, 1954 , p. 1049,1056
Full Text Show Details
Clar,E.
Polycyclic Hydrocarbons, Bd. 2 <London 1964> S. 53

Ioffe
Zhurnal Obshchei Khimii, 1933 , vol. 3, p. 524,526
Chem. Zentralbl., 1935 , vol. 106, # I p. 391
Full Text Show Details
Braude et al.
Journal of the Chemical Society, 1954 , p. 1049,1056
Full Text Show Details
Clar,E.
Polycyclic Hydrocarbons, Bd. 2 <London 1964> S. 53