1. G. A. Vorobeinikov, Microorganisms, harvest and agriculture biologization: tutorial (SPb, 1998), pp. 120.
2. B. A. Dospekhov, Field experiment methodology (with the basics of statistical processing of research results) (M.: ID Alliance, 2011), pp. 352.
3. A. A. Zavalin, Biological products, fertilizers and harvest (Moscow, 2010), pp. 302.
4. Methodical instructions for carrying out field experiments with fiber flax (Torzhok: All-Russian Research Institute, 1980), pp. 75.
5. D. M. Novokhatskaya, “The influence of agrotechnical methods of cultivation of fiber flax on the yield and quality of fiber in the conditions of the Leningrad region”, dissertation for the degree of candidate of agricultural sciences (Sciences: St. Petersburg State Agrarian University. St. Petersburg, 2018), pp. 139.