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Hewitt, Godfrey, et al. “Homogamy in a Hybrid Zone in the Alpine Grasshopper Podisma Pedestris.”10.1038/hdy.1987.156__Heredity, vol. 59, no. 3, Nature Publishing Group, 1987, pp. 457–66, doi:10.1038/hdy.1987.156.

Barton, Nicholas H., and Montgomery Slatkin. “A Quasi-Equilibrium Theory of the Distribution of Rare Alleles in a Subdivided Population.”10.1038/hdy.1986.63__Heredity, vol. 56, no. 3, Nature Publishing Group, 1986, pp. 409–16, doi:10.1038/hdy.1986.63.

Barton, Nicholas H. “The Effects of Linkage and Density-Dependent Regulation on Gene Flow.” Heredity, vol. 57, Nature Publishing Group, 1986, pp. 415–26.

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Barton, Nicholas H. “Gene Flow and Speciation (Abstract).”10.1038/hdy.1983.24__Heredity, vol. 50, Springer Nature, 1983, pp. 213–213, doi:10.1038/hdy.1983.24.

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Barton, Nicholas H. “The Width of the Hybrid Zone in Caledia Captiva.”10.1038/hdy.1981.86__Heredity, vol. 47, Nature Publishing Group, 1981, pp. 279–82, doi:10.1038/hdy.1981.86.

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Barton, Nicholas H. “The Hybrid Sink Effect.”10.1038/hdy.1980.23__Heredity, vol. 44, Springer Nature, 1980, pp. 277–78, doi:10.1038/hdy.1980.23.

Barton, Nicholas H. “The Fitness of Hybrids between Two Chromosomal Races of the Grasshopper Podisma Pedestris.”10.1038/hdy.1980.49__Heredity, vol. 45, Springer Nature, 1980, pp. 47–59, doi:10.1038/hdy.1980.49.

Barton, Nicholas H. “Gene Flow Past a Cline.”10.1038/hdy.1979.86__Heredity, vol. 43, no. 3, Springer Nature, 1979, pp. 333–39, doi:10.1038/hdy.1979.86.

Barton, Nicholas H. “The Dynamics of Hybrid Zones.”10.1038/hdy.1979.87__Heredity, vol. 43, no. 3, Springer Nature, 1979, pp. 341–59, doi:10.1038/hdy.1979.87.