Костенко, Н. П. (2012). The Renewal Officinal Pilot Models of Varieties of Long-fibred Flax and Crown Flax (Linum usitatissimum L., Linum humili Mill.). Plant Varieties Studying and Protection, (2(16), 11–13. https://doi.org/10.21498/2518-1017.2(16).2012.58895