A. M. Tillier
2009
From the origin of language to the diversification of languages
Becoming Eloquent: Advances in the Emergence of Language, Human Cognition, and Modern Cultures, pages 261--278, 2009
It is reasonable to think that in human evolutionary history there must once have existed societies with no language or with communication systems less complex than the one which represents the quintessential feature of our present-day species. After the studied neglect ...