Макарчук, О.С. and Жемойда, В.Л. 2009. The peculiarities of utilizing testers different genetical structure for breeding precocious corn hybrids (Zea mays L.). Plant varieties studying and protection. 1(9) (Oct. 2009), 62–71. DOI:https://doi.org/10.21498/2518-1017.1(9).2009.66284.