Mallet, J., &; Barton, N. H. (1989). Strong natural selection in a warning color hybrid zone. Evolution. Wiley-Blackwell.https://doi.org/10.2307/2409217  

Barton, N. H., &; Hewitt, G. (1989). Adaptation, speciation and hybrid zones. Nature. Nature Publishing Group.https://doi.org/10.1038/341497a0 

Edelsbrunner, H., Guibas, L., Hershberger, J., Seidel, R., Sharir, M., Snoeyink, J., &; Welzl, E. (1989). Implicitly representing arrangements of lines or segments. Discrete &; Computational Geometry. Springer.https://doi.org/10.1007/BF02187742 

Edelsbrunner, H., &; Guibas, L. (1989). Topologically sweeping an arrangement. Journal of Computer and System Sciences. Elsevier.https://doi.org/10.1016/0022-0000(89)90038-X 

Edelsbrunner, H., Guibas, L., Hershberger, J., Pach, J., Pollack, R., Seidel, R.,https://doi.org/10.1007/BF02187745__Snoeyink, J. (1989). On arrangements of Jordan arcs with three intersections per pair. Discrete &; Computational Geometry. Springer.https://doi.org/10.1007/BF02187745 

Yao, F., Dobkin, D., Edelsbrunner, H., &; Paterson, M. (1989). Partitioning space for range queries. SIAM Journal on Computing. SIAM.https://doi.org/10.1137/0218025 

Edelsbrunner, H., Rote, G., &; Welzl, E. (1989). Testing the necklace condition for shortest tours and optimal factors in the plane. Theoretical Computer Science. Elsevier.https://doi.org/10.1016/0304-3975(89)90133-3 

Edelsbrunner, H., Preparata, F., &; West, D. (1989). Tetrahedrizing point sets in three dimensions. In https://doi.org/10.1007/3-540-51084-2_31__International Symposium on Symbolic and Algebraic Computation (Vol. 358, pp. 315–331). Rome, Italy: Springer.https://doi.org/10.1007/3-540-51084-2_31 

Edelsbrunner, H. (1989). An acyclicity theorem for cell complexes in d dimension. In Proceedings of the 5th annual symposium on Computational geometry (pp. 145–151). Saarbruchen, Germany: ACM.https://doi.org/10.1145/73833.73850 

Edelsbrunner, H. (1989). The upper envelope of piecewise linear functions: Tight bounds on the number of faces . Discrete &; Computational Geometry. Springer.https://doi.org/10.1007/BF02187734 

Slatkin, M., &; Barton, N. H. (1989). A comparison of three methods for estimating average levels of gene flow. Evolution; International Journal of Organic Evolution. Wiley-Blackwell.https://doi.org/10.1111/j.1558-5646.1989.tb02587.x  

Jonas, P. M., Bräu, M., Hermsteiner, M., &; Vogel, W. (1989). Single-channel recording in myelinated nerve fibers reveals one type of Na channel but different K channels. PNAS. National Academy of Sciences.https://doi.org/10.1073/pnas.86.18.7238 

Jonas, P. M. (1989). Temperature dependence of gating current in myelinated nerve fibers. Journal of Membrane Biology. Springer.https://doi.org/10.1007/BF01870958 

Edelsbrunner, H. (1989). Spatial triangulations with dihedral angle conditions (pp. 83–89). Presented at the International Workshop on Discrete Algorithms and Complexity, Institute of the Electronics, Information and Communication Enginneers.

Edelsbrunner, H., Guibas, L., &; Sharir, M. (1989). The upper envelope of piecewise linear functions: Algorithms and applications. Discrete &; Computational Geometry. Springer.https://doi.org/10.1007/BF02187733 

Edelsbrunner, H., Hasan, N., Seidel, R., &; Shen, X. (1989). Circles through two points that always enclose many points. Geometriae Dedicata. Springer.https://doi.org/10.1007/BF00181432 

Edelsbrunner, H., &; Skiena, S. (1989). On the number of furthest neighbor pairs in a point set. American Mathematical Monthly. Mathematical Association of America.https://doi.org/10.1080/00029890.1989.11972250 

Chazelle, B., Edelsbrunner, H., Guibas, L., &; Sharir, M. (1989). A singly exponential stratification scheme for real semi-algebraic varieties and its applications. In 16th International Colloquium on Automata, Languages, and Programming (Vol. 372, pp. 179–193). Stresa, Italy: Springer.https://doi.org/10.1007/BFb0035760 

Chazelle, B., Edelsbrunner, H., &; Guibas, L. (1989). The complexity of cutting complexes. Discrete &; Computational Geometry. Springer.https://doi.org/10.1007/BF02187720 

Barton, N. H. (1989). The divergence of a polygenic system under stabilising selection, mutation and drift. Genetical Research. Cambridge University Press.https://doi.org/10.1017/S0016672300028378