http://www.genetics.org/content/124/2/417.abstract?sid=1bccfba3-24ee-4269-a116-495cb0770a7e (Publisher version)
Mitchell-Olds, T., & Bergelson, J. (1990). Statistical genetics of an annual plant, Impatiens capensis. II. Natural selection. Genetics, 124(2), 417-422.