Татарчук, Л. М., Л. А. Зайцева, and Г. П. Нелипа. 2011. “Chayanov the Son of His Epoch”. Plant Varieties Studying and Protection, no. 2(14) (July):92-95. https://doi.org/10.21498/2518-1017.2(14).2011.60484.