The Phylogeny and Relationships of the Ratite Birds as Indicated by DNA-DNA Hybridization Notornis, 29 (3), 239-240 Williams, G.R. (reviewer) (1982)Article Type: Book ReviewAttachmentDownloadAuthors: Charles G. Sibley and Jon E. Ahlquist. In: Evolution Today, G. G. E. Scudder & J. L. Reveal (eds) . Proceedings of the Second International Congress of Systematic and Evolutionary Biology, pp. 301-335. 1981.