Smithsonian Contribributions to Botany 52: 1-1* Bohlmann, F., Zdero, C., Grenz, M., Dhar, A.K., Robinson, H., King, R.M.. "Naturally occurring terpene derivatives .307.
* Bohlmann, F., Zdero, C., Grenz, M., Dhar, A.K., Robinson, H., King, R.M.. «Naturally occurring terpene derivatives .307.