1. in Kora: An Ecological Inventory of the Kora National Reserve, Kenya, ed. and , p. 137, Royal Geographical Society, London (1986).
2. Frankincense and myrrh
3. in Chemistry and Chemical Taxonomy of the Rutales, ed. and , p. 281, Academic Press, London (1983).
4. Furanosesquiterpenoids of Commiphora erythraea and C. myrrh