1. A.Ya. Sychev, G.G. Duca, Yu.V. Scutaru, V.V. Muntean, Catalytic oxidation of glycolic Fenton’s acid, (MoldNIINTI, Chisinau, 1996), p. 21 [Russian]
2. D.L. Fridman,Biokhimiya[Biochemistry](Vysshaya Shkola, Moscow, 1962), p. 56 [Russian]
3. Y. Margalit,Concepts of Wine Chemistry(The Wine Appreciation Guild, San Francisco, 2004), p. 476
4. I. Baroud, Ann. Chim. 1954,9, 535
5. A. w/f. Rodopulo,Biochemistry of Wine-Making(Food Industry Publications, Moscow, 1971), p. 48 [Russian]