Mallet, James, and Nicholas H Barton. “Strong Natural Selection in a Warning Color Hybrid Zone.”https://doi.org/10.2307/2409217 __Evolution. Wiley-Blackwell, 1989.https://doi.org/10.2307/2409217  .

Barton, Nicholas H, and Godfrey Hewitt. “Adaptation, Speciation and Hybrid Zones.”https://doi.org/10.1038/341497a0__Nature. Nature Publishing Group, 1989.https://doi.org/10.1038/341497a0 .

Edelsbrunner, Herbert, Leonidas Guibas, John Hershberger, Raimund Seidel, Micha Sharir, Jack Snoeyink, and Emo Welzl. “Implicitly Representing Arrangements of Lines or Segments.”https://doi.org/10.1007/BF02187742__Discrete &; Computational Geometry. Springer, 1989.https://doi.org/10.1007/BF02187742 .

Edelsbrunner, Herbert, and Leonidas Guibas. “Topologically Sweeping an Arrangement.”https://doi.org/10.1016/0022-0000(89)90038-X__Journal of Computer and System Sciences. Elsevier, 1989.https://doi.org/10.1016/0022-0000(89)90038-X .

Edelsbrunner, Herbert, Leonidas Guibas, John Hershberger, János Pach, Richard Pollack, Raimund Seidel, Micha Sharir, and Jack Snoeyink. “On Arrangements of Jordan Arcs with Three Intersections per Pair.”https://doi.org/10.1007/BF02187745__Discrete &; Computational Geometry. Springer, 1989.https://doi.org/10.1007/BF02187745 .

Yao, F., David Dobkin, Herbert Edelsbrunner, and Michael Paterson. “Partitioning Space for Range Queries.”https://doi.org/10.1137/0218025__SIAM Journal on Computing. SIAM, 1989.https://doi.org/10.1137/0218025 .

Edelsbrunner, Herbert, Günter Rote, and Emo Welzl. “Testing the Necklace Condition for Shortest Tours and Optimal Factors in the Plane.”https://doi.org/10.1016/0304-3975(89)90133-3__Theoretical Computer Science. Elsevier, 1989.https://doi.org/10.1016/0304-3975(89)90133-3 .

Edelsbrunner, Herbert, Franco Preparata, and Douglas West. “Tetrahedrizing Point Sets in Three Dimensions.”https://doi.org/10.1007/3-540-51084-2_31__In https://doi.org/10.1007/3-540-51084-2_31__International Symposium on Symbolic and Algebraic Computation, 358:315–31. Springer, 1989.https://doi.org/10.1007/3-540-51084-2_31 .

Edelsbrunner, Herbert. “An Acyclicity Theorem for Cell Complexes in d Dimension.”https://doi.org/10.1145/73833.73850__In Proceedings of the 5th Annual Symposium on Computational Geometry, 145–51. ACM, 1989.https://doi.org/10.1145/73833.73850 .

Edelsbrunner, Herbert. “The Upper Envelope of Piecewise Linear Functions: Tight Bounds on the Number of Faces .”https://doi.org/10.1007/BF02187734__Discrete &; Computational Geometry. Springer, 1989.https://doi.org/10.1007/BF02187734 .

Slatkin, Montgomery, and Nicholas H Barton. “A Comparison of Three Methods for Estimating Average Levels of Gene Flow.”https://doi.org/10.1111/j.1558-5646.1989.tb02587.x __Evolution; International Journal of Organic Evolution. Wiley-Blackwell, 1989.https://doi.org/10.1111/j.1558-5646.1989.tb02587.x  .

Jonas, Peter M, Michael Bräu, Markus Hermsteiner, and Werner Vogel. “Single-Channel Recording in Myelinated Nerve Fibers Reveals One Type of Na Channel but Different K Channels.”https://doi.org/10.1073/pnas.86.18.7238__PNAS. National Academy of Sciences, 1989.https://doi.org/10.1073/pnas.86.18.7238 .

Jonas, Peter M. “Temperature Dependence of Gating Current in Myelinated Nerve Fibers.”https://doi.org/10.1007/BF01870958__Journal of Membrane Biology. Springer, 1989.https://doi.org/10.1007/BF01870958 .

Edelsbrunner, Herbert. “Spatial Triangulations with Dihedral Angle Conditions,” 83–89. Institute of the Electronics, Information and Communication Enginneers, 1989.

Edelsbrunner, Herbert, Leonidas Guibas, and Micha Sharir. “The Upper Envelope of Piecewise Linear Functions: Algorithms and Applications.”https://doi.org/10.1007/BF02187733__Discrete &; Computational Geometry. Springer, 1989.https://doi.org/10.1007/BF02187733 .

Edelsbrunner, Herbert, Nany Hasan, Raimund Seidel, and Xiao Shen. “Circles through Two Points That Always Enclose Many Points.”https://doi.org/10.1007/BF00181432__Geometriae Dedicata. Springer, 1989.https://doi.org/10.1007/BF00181432 .

Edelsbrunner, Herbert, and Steven Skiena. “On the Number of Furthest Neighbor Pairs in a Point Set.”https://doi.org/10.1080/00029890.1989.11972250__American Mathematical Monthly. Mathematical Association of America, 1989.https://doi.org/10.1080/00029890.1989.11972250 .

Chazelle, Bernard, Herbert Edelsbrunner, Leonidas Guibas, and Micha Sharir. “A Singly Exponential Stratification Scheme for Real Semi-Algebraic Varieties and Its Applications.”https://doi.org/10.1007/BFb0035760__In 16th International Colloquium on Automata, Languages, and Programming, 372:179–93. Springer, 1989.https://doi.org/10.1007/BFb0035760 .

Chazelle, Bernard, Herbert Edelsbrunner, and Leonidas Guibas. “The Complexity of Cutting Complexes.”https://doi.org/10.1007/BF02187720__Discrete &; Computational Geometry. Springer, 1989.https://doi.org/10.1007/BF02187720 .

Barton, Nicholas H. “The Divergence of a Polygenic System under Stabilising Selection, Mutation and Drift.”https://doi.org/10.1017/S0016672300028378__Genetical Research. Cambridge University Press, 1989.https://doi.org/10.1017/S0016672300028378 .