1. The impact of species concept on biodiversity studies;Agapow;Quarterly Rev. Biol.,2004
2. Aulenbach, B.T., Cressler, A., 1998. Tennessee, Alabama, Georgia Cave Distribution. In: Schindel, G.M., Hickman, J.L. (Eds.), Journeys through TAG: 1998 NSS Convention Guidebook, p. 2.
3. Gene genealogies and the coalescent process;Avise;Oxf. Surv. Evolution. Biol.,1990
4. Evolution of the (Coleoptera) Carabidae in the Southern Appalachians;Barr,1969
5. Choosing among alternative phylogenetic species concepts;Baum;Syst. Bot.,1995