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 State Standards 8756.13-87, “The Fruit and Vegetable Processing Products: Methods of Sugars Determination.” (in Russian)
 State Standards 25555.0-82, “The Fruit and Vegetable Processing Products: Methods of Titrable Acidity Determination.” (in Russian)
 State Standards Р 52839-2007, “Feed Stocks. Methods of Raw Fiber Content Determination Using Intermediate Filtration.” (in Russian)
 V. P. Georgievski, N. F. Komissarenko and S. E. Dmitruk, “Bioactive Components of Medicinal Plants,” Science, Novosibirsk, 1990. (in Russian)