J. D.  WEIDENHAMER, MACIAS, F. A., FISCHER, N. H., and WILLIAMSON, G. B., ?JUST HOW INSOLUBLE ARE MONOTERPENES?, J Chem Ecol, vol. 19, pp. 1799?1807, 1993.

N. H.  FISCHER, WILLIAMSON, G. B., WEIDENHAMER, J. D., and RICHARDSON, D. R., ?IN SEARCH OF ALLELOPATHY IN THE FLORIDA SCRUB - THE ROLE OF TERPENOIDS?, J Chem Ecol, vol. 20, pp. 1355?1380, 1994.