We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePhylogenetics of Perissodactyla and tests of the molecular clock.AuthorsNorman JE; Ashley MVPublicationJournal of molecular evolution, 2000, Vol 50, Issue 1, p11ISSN0022-2844Publication typearticleDOI10.1007/s002399910002