R.D. Firn

On the evolution of plant secondary chemical diversity
Jones, Clive G., and R.D. Firn. 1991. “On the Evolution of Plant Secondary Chemical Diversity”. Phil. Trans. Royal Society, London, UK. B. 333: 273-80. http://www.caryinstitute.org/reprints/Jones-Firn_1991.pdf.
On the evolution of plant secondary chemical diversity [Book Chapter]
Jones, Clive G., and R.D. Firn. 1991. “On the Evolution of Plant Secondary Chemical Diversity [Book Chapter]”. In W. G. Chaloner, J. L. Harper, and J. H. Lawton (eds.). The Evolutionary Interaction of Animals and Plants, 97-104. The Royal Society, London. University Press, Cambridge. http://www.caryinstitute.org/reprints/Jones-Firn_1991.pdf.