Otto, Sarah, and Nicholas H. Barton. “The Evolution of Recombination: Removing the Limits to Natural Selection.”10.1093/genetics/147.2.879__Genetics, vol. 147, no. 2, Genetics Society of America, 1997, pp. 879–906, doi:10.1093/genetics/147.2.879.

Barton, Nicholas H. “Linkage and the Limits to Natural Selection.”http://www.genetics.org/content/140/2/821.long__Genetics, vol. 140, no. 2, Genetics Society of America, 1995, pp. 821–41, doi:http://www.genetics.org/content/140/2/821.long.

Turelli, Michael, and Nicholas H. Barton. “Genetic and Statistical Analyses of Strong Selection on Polygenic Traits: What, Me Normal?”10.1093/genetics/138.3.913__Genetics, vol. 138, no. 3, Genetics Society of America, 1994, pp. 913–41, doi:10.1093/genetics/138.3.913.

Barton, Nicholas H., and Michael Turelli. “Natural and Sexual Selection on Many Loci.”10.1093/genetics/127.1.229__Genetics, vol. 127, no. 1, Genetics Society of America, 1991, pp. 229–55, doi:10.1093/genetics/127.1.229.

Mallet, James, et al. “Estimates of Selection and Gene Flow from Measures of Cline Width and Linkage Disequilibrium in Heliconius Hybrid Zones.”10.1093/genetics/124.4.921__Genetics, vol. 124, no. 4, Genetics Society of America, 1990, pp. 921–36, doi:10.1093/genetics/124.4.921.

Barton, Nicholas H. “Pleiotropic Models of Quantitative Variation.”10.1093/genetics/124.3.773 __Genetics, vol. 124, no. 3, Genetics Society of America, 1990, pp. 773–82, doi:10.1093/genetics/124.3.773 .

Mallet, James, and Nicholas H. Barton. “Inference from Clines Stabilized by Frequency-Dependent Selection.”10.1093/genetics/122.4.967__Genetics, vol. 122, no. 4, Genetics Society of America, 1989, pp. 967–76, doi:10.1093/genetics/122.4.967.