Barton, Nicholas H, and Godfrey Hewitt. “A Measurement of Dispersal in the Grasshopper Podisma Pedestris (Orthoptera: Acrididae).”https://doi.org/10.1038/hdy.1982.29__Heredity. Springer Nature, 1982.https://doi.org/10.1038/hdy.1982.29 .

Edelsbrunner, Herbert, Hermann Maurer, Franco Preparata, Arnold Rosenberg, Emo Welzl, and Derick Wood. “Stabbing Line Segments.”https://doi.org/10.1007/BF01934440__BIT Numerical Mathematics. Springer Nature, 1982.https://doi.org/10.1007/BF01934440 .

Edelsbrunner, Herbert, and Mark Overmars. “On the Equivalence of Some Rectangle Problems.”https://doi.org/10.1016/0020-0190(82)90068-0__Information Processing Letters. Elsevier, 1982.https://doi.org/10.1016/0020-0190(82)90068-0 .

Edelsbrunner, Herbert, Hermann Maurer, and David Kirkpatrick. “Polygonal Intersection Searching.”https://doi.org/10.1016/0020-0190(82)90090-4__Information Processing Letters. Elsevier, 1982.https://doi.org/10.1016/0020-0190(82)90090-4 .

Barton, Nicholas H. “The Structure of the Hybrid Zone in Uroderma Bilobatum (Chiroptera: Phyllostomatidae).”https://doi.org/10.1111/j.1558-5646.1982.tb05452.x__Evolution. Wiley, 1982.https://doi.org/10.1111/j.1558-5646.1982.tb05452.x .

Barton, Nicholas H, and Godfrey Hewitt. “A Chromosomal Cline in the Grasshopper Podisma Pedestris.”https://doi.org/ 10.1111/j.1558-5646.1981.tb04966.x__Evolution; International Journal of Organic Evolution. Wiley-Blackwell, 1981.https://doi.org/ 10.1111/j.1558-5646.1981.tb04966.x .

Barton, Nicholas H. “The Width of the Hybrid Zone in Caledia Captiva.”https://doi.org/10.1038/hdy.1981.86__Heredity. Nature Publishing Group, 1981.https://doi.org/10.1038/hdy.1981.86 .

Edelsbrunner, Herbert, and Hermann Maurer. “A Space-Optimal Solution of General Region Location.”https://doi.org/10.1016/0304-3975(81)90103-1__Theoretical Computer Science. Elsevier, 1981.https://doi.org/10.1016/0304-3975(81)90103-1 .

Edelsbrunner, Herbert, and Hermann Maurer. “On the Intersection of Orthogonal Objects.”https://doi.org/10.1016/0020-0190(81)90053-3__Information Processing Letters. Elsevier, 1981.https://doi.org/10.1016/0020-0190(81)90053-3 .

Barton, Nicholas H, and Godfrey Hewitt. “Hybrid Zones and Speciation.” In Evolution and Speciation, edited by William Atchley and David Woodruff, 109–45. Cambridge University Press, 1981.

Barton, Nicholas H, and Godfrey Hewitt. “The Genetic Basis of Hybrid Inviability between Two Chromosomal Races of the Grasshopper Podisma Pedestris.”https://doi.org/10.1038/hdy.1981.98__Heredity. Springer Nature, 1981.https://doi.org/10.1038/hdy.1981.98 .

Barton, Nicholas H. “The Hybrid Sink Effect.”https://doi.org/10.1038/hdy.1980.23__Heredity. Springer Nature, 1980.https://doi.org/10.1038/hdy.1980.23 .

Barton, Nicholas H. “The Fitness of Hybrids between Two Chromosomal Races of the Grasshopper Podisma Pedestris.”https://doi.org/10.1038/hdy.1980.49__Heredity. Springer Nature, 1980.https://doi.org/10.1038/hdy.1980.49 .

Hewitt, Godfrey, and Nicholas H Barton. “The Structure and Maintenance of Hybrid Zones as Exemplified by Podisma Pedestris.” In Insect Cytogenetics, edited by Roger Blackman and Michael Ashburner, 10:149–70. Wiley-Blackwell, 1980.

Barton, Nicholas H. “Gene Flow Past a Cline.”https://doi.org/10.1038/hdy.1979.86__Heredity. Springer Nature, 1979.https://doi.org/10.1038/hdy.1979.86 .

Barton, Nicholas H. “The Dynamics of Hybrid Zones.”https://doi.org/10.1038/hdy.1979.87__Heredity. Springer Nature, 1979.https://doi.org/10.1038/hdy.1979.87 .

Barton, Nicholas H. “A Hybrid Zone in the Alpine Grasshopper Podisma Pedestris.” University of East Anglia, 1979.