Balashova, I., and V. Fait. “Allele Frequencies of Ppd-D1a, Ppd-B1a, and Ppd-B1c of Photoperiodic Sensitivity Genes in Spring Bread Wheat Varieties (Triticum Aestivum L.) of Various Origin”. Agricultural Science and Practice, Vol. 8, no. 1, June 2021, pp. 3-13, doi:10.15407/agrisp8.01.003.