Template:Imkhanitskaya, 1996
- Imkhanitskaya, N.N. 1996. [Annotated list of the Rubiaceae taxa collected by A. Chamisso and J.F. Eschscholtz in the voyage of exploration round the World in 1815–1818 on the brig «Rurick» under the command of Captain O. E. Kotzebue, kept in Komarov Botanical Institute Herbarium (LE). 1. Subfamilies Cinchonoideae, Ixoroideae and Antirheoideae]. Botanicheskii Zhurnal 81(2): 1–14. (Russian) PDF.