Bramati L et al. (2002). «Quantitative Characterization of Flavonoid Compounds in Rooibos Tea (Aspalathus Linearis) by LC-UV/DAD». Journal of Agricultural and Food Chemistry (Elsevier) 50 (20): 5513-5519. PMID12236672. doi:10.1021/jf025697h.
Bramati L et al. (2002). «Quantitative Characterization of Flavonoid Compounds in Rooibos Tea (Aspalathus Linearis) by LC-UV/DAD». Journal of Agricultural and Food Chemistry (Elsevier) 50 (20): 5513-5519. PMID12236672. doi:10.1021/jf025697h.