1. Judd, W. S.; Campbell, C. S.; Kellogg, E. A.; Stevens, P. F. InPlantSystematics: A Phylogenetic Approach; Judd, W. S., Ed.; Sinauer Associates: Sunderland, MA, 1999; p 19.
2. Miller J. S.; Gereau, R. E. InBiologically Active Natural Products: Pharmaceuticals; Cutler, S. J., Cutler, H. G., Eds.; CRC Press: Boca Raton, FL, 2000; pp 25−37.
3. Sampling a Diverse Flora for Novel Biochemicals: An Analysis of NCI Collections from Madagascar