Heller; Bauer
Journal fuer Praktische Chemie (Leipzig), 1902 , vol. <2>65, p. 378

Alekseev, V. V.; Zelenin, K. N.; Terent'ev, P. B.; Lashin, V. V.; Khorseeva, L. A.; Bulakhov, G. A.
Russian Journal of Organic Chemistry, 1993 , vol. 29, # 3.2 p. 491 - 501
Zhurnal Organicheskoi Khimii, 1993 , vol. 29, # 3 p. 588 - 600

Alekseev, V. V.; Zelenin, K. N.; Terent'ev, P. B.; Lashin, V. V.; Khorseeva, L. A.; Bulakhov, G. A.
Russian Journal of Organic Chemistry, 1993 , vol. 29, # 3.2 p. 491 - 501
Zhurnal Organicheskoi Khimii, 1993 , vol. 29, # 3 p. 588 - 600

Heller; Bauer
Journal fuer Praktische Chemie (Leipzig), 1902 , vol. <2>65, p. 378

Hirano, Hiroshi; Sugiyama, Kazuaki; Yamashita, Mayumi; Inoue, Masatoshi; Ishida, Toshimasa
Chemical & Pharmaceutical Bulletin, 1983 , vol. 31, # 5 p. 1792 - 1795