1. Adams, W. T. and Birkes, D. S. 1990. Estimating mating patterns in forest tree populations. In: Hattemer, H. H. and Fineschi, S. (Eds) Biochemical markers in the population genetics of forest trees. S.P.B. Academic Publishing, BV. The Hague (in press).
2. Allendorf, F. W. 1983. Isolation, gene flow, and genetic differentiation among populations. In: Schonewald-Cox, C. M., Chambers, S. M., MacBryde, B. and Thomas, W. L. (Eds) Genetics and conservation: a reference for managing wild animal and plant populations. Benjamin Cummings Publishing, Menlo Park. pp. 51?65.
3. Antonovics, J. 1968. Evolution in closely adjacent plant populations. VI. Manifold effects of gene flow. Heredity 32: 507?524.
4. Barton, N. H. and Slatkin, M. 1986. A quasi-equilibrium theory of the distribution of rare alleles in a subdivided population. Heredity 56: 409?415.
5. Bos, M., Harmens, H. and Vrieling, K. 1986. Gene flow in Plantago. I. Gene flow and neighborhood size in P. lanceolata. Heredity 56: 43?54.