1. Why are vertebrate nervous systems crossed;Capozzoli;Med Hypotheses,1995
2. The Lopsided Ape;Corballis,1991
3. Brain lateralization in primates and its evolution in hominids;Falk;Yearbook of Physical of Anthropology,1987
4. Neuromotor mechanisms in the evolution of human communication;Kimura,1979
5. The Biology and Evolution of Language;Lieberman,1984