Андрющенко, А. В., Н. В. Лещук, and Н. В. Шовгун. “Peculiarities of Identifying Steadiness Characteristics of the Cutting Lettuce (Lactuca Sativa L.) to the False Powdery Mildew (Bremia Lactucae Regel)”. Plant Varieties Studying and Protection, no. 1(7), Oct. 2008, pp. 62-65, doi:10.21498/2518-1017.1(7).2008.64241.