М. Ф. Рибак, Л. І. Янішевський, and В. М. Маційчук, “Seed Yield of Long Fiber Flax (Linum usitatissimum L.) Plants Depending on Rates of Sawing of Seed and Mineral Fertilization”, PVSandP, no. 1(11), pp. 100–105, Oct. 2010.