Шарипіна, Я. Ю., В. М. Попов, Т. А. Долгова, and В. В. Кириченко. “Inheritance of Ray Flowers Forms on Qualitative and Quantitative Traits in Sunflower (Helianthus Annuus L.)”. ScienceRise: Biological Science, no. 3 (3), Nov. 2016, pp. 45-52, doi:10.15587/2519-8025.2016.83546.