1. The fossil evidence for modern human origins in Africa: a revised view;Aiello;Am. Anthropol,1993
2. The Origin of Modern Humans and the Impact of Chronological Dating;Aitken,1993
3. Ecogeographical variation in the American robin (Turdus migratorius;Aldrich;The Auk,1991
4. Body support, scaling, and allometry;Alexander,1985
5. The influence of physical conditions in the genesis of species;Allen;Rad. Rev.,1877