1. Ber. dtsch. chem. Ges. 34, 2402 (1901).
2. Arb. Kais. Ges.-A. 18, 371 (1902); Ref. Z. 1902, 1113.
3. Ber. dtsch. chem. Ges. 34, 2636 (1901); Monatsh. 23, 51 (1902); 26, 563 (1905); Z. Unters. Nahr. Genußm. 12, 359 (1906).
4. Monatsh. 25, 929 (1904).
5. Monatsh. 24, 408 (1903).