Kudris, I. V., A. Y. Kulikov, and O. S. Chernyshova. “The Relative Retention Time Variability Evaluation for Flavonoids Retention on C18 Chromatography Columns”. Kharkiv University Bulletin. Chemical Series, no. 23, Sept. 2014, pp. 73-80, doi:10.26565/2220-637X-2014-23-09.