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. 50 (20). Elsevier: 5513–5519. doi:10.1021/jf025697h. PMID12236672.
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. 50 (20). Elsevier: 5513–5519. doi:10.1021/jf025697h. PMID12236672.