Wojtanowski, K. K.; Skalicka-Woźniak, K.; Głowniak, K. Applications of Thin Layer Chromatography in the Analysis and Isolation of Coumarins Derived from Medicinal Plants. Curr. Issues Pharm. Med. Sci. 2012, 25 (4), 418-425. https://doi.org/10.12923/j.2084-980X/25.4/a.17.