TY - BOOK AU - Lieberman,Philip TI - Uniquely human: the evolution of speech, thought, and selfless behavior SN - 0674921828 (alk. paper) U1 - 155.7 21E PY - 1991/// CY - Cambridge, Mass. PB - Harvard University Press KW - Human evolution KW - Brain KW - Evolution KW - Speech KW - Social aspects KW - Behavior evolution N1 - Index; Bibliogr. p. [183]-202 ER -