1. Ashton WM, Davies EG (1962) Coumarin and related compounds in anthoxanthum and melilotus species, and the formation of dicoumarol. Biochem J 85:22–23
2. Auterhoff H, Boehme K (1968) Zur Kenntnis der Bornträger-Reaktion. Arch Pharmaz (Weinheim) 301:793–799
3. Barenboim GM, Birkenstein VKH, Shulman ML, Baevsky AV (ohne Angabe) Fluorescent properties of eleutherococcus extract and individual eleutherosides. In: Eleutherococcus, strategy of the use and new fundamental data. Medexpert Moscow, USSR, pp 35–42
4. Barton DHR, Cohen T (1957) In: Festschrift Dr. A. Stoll, Birkhäuser Basel, S 117
5. Bate-Smith EC (1973) Haemanalysis of tannins: the concept of relative astringency. Phytochemistry 12:907–912 Pergamon Press