1. Divergences of the single-copy DNA sequences of the western grebe (Aechmuphorus occidentalis) and Clark's grebe (A. clarkii), as indicated by DNA-DNA hybridization;Ahlquist;Postilla,1987
2. DNA evolutionary rates in nine-primaried passerine birds;Bledsoe;Mol. Biol. Evol.,1987
3. A phylogenetic analysis of postcranial skeletal characters of the ratite birds;Bledsoe;Ann. Carnegie Mus.,1988
4. Reduction in the rate of DNA reassociation by sequence divergence;Bonner;J. Mol. Biol.,1973