TY - BOOK AU - Bickerton,Derek TI - Language & species SN - 0226046109 (alk. paper) AV - P116 .B52 1990 U1 - 401 20 PY - 1990/// CY - Chicago PB - University of Chicago Press KW - Language and languages KW - Origin KW - Human evolution N1 - Includes bibliographical references (p. 273-290) and index ER -