Zyryanov, V.A., Mekhanizatsiya i elektrifikatsiya sel℉skogo khozyaistva, 1985, no. 5.
Mikhal℉tsov, E.M., Substantiation of the Parameters of the Seed Distributor of a Seeder Coulter for Subsurface and Surface Sowing of Cereals, Cand. Sci. Dissertation, Omsk, 2001
Novik, F.S., Optimizatsiya protsessov tekhnologii metallov metodami planirovaniya eksperimentov (Optimization of Metal Technology Processes by Experimental Design Methods), Moscow, Sofia, 1980.
Sychevskaya, I.D., Planirovanie nauchnogo eksperimenta (Scientific Experimental Design), Moscow: TsNIII, 1996.