Karpova, E. A., and O. V. Imetkhenova. “Phenolic Compounds of Representatives of Sect. Glomerati of Genus Spiraea L. Of the Flora of Siberia”. Turczaninowia, Vol. 18, no. 4, 1, pp. 108–115, doi:10.14258/turczaninowia.18.4.14.