Buchanan et al., 1981. In: McClure, T. A., Lipinsky, E. S., eds. CRC Handbook of Biosolar Resources, Vol. 2: Resource materials, 157-179

Buchanan, R. A.; Duke, J. A., 1981. Botanochemical crops. In: McClure, T. A., Lipinsky, E. S., eds. CRC Handbook of Biosolar Resources, Vol. 2: Resource materials, 157-179