J. Harshman, C. Huddleston, J. P. Bollback, T. Parsons, and M. Braun, “True and false gharials: A nuclear gene phylogeny of crocodylia,” Systematic Biology, vol. 52, no. 3. Oxford University Press, pp. 386–402, 2003.

J. Huelsenbeck, R. Nielsen, and J. P. Bollback, “Stochastic mapping of morphological characters,” Systematic Biology, vol. 52, no. 2. Oxford University Press, pp. 131–158, 2003.

A. Navarro and N. H. Barton, “Accumulating postzygotic isolation genes in parapatry: a new twist on chromosomal speciation,” Evolution; International Journal of Organic Evolution, vol. 57, no. 3. Wiley-Blackwell, pp. 447–459, 2003.

B. Charlesworth, D. Charlesworth, and N. H. Barton, “The effects of genetic and geographic structure on neutral variation,” Annual Review of Ecology and Systematics, vol. 34. Annual Reviews, pp. 99–125, 2003.

N. H. Barton and W. Zuidema, “The erratic path towards complexity,” Current Biology, vol. 13, no. 16. Cell Press, pp. 9–1, 2003.