TY - BOOK AU - Berreby,David TI - Us and them: understanding your tribal mind SN - 0316090301 (hc) AV - HM753 .B47 2005 U1 - 305 22 PY - 2005/// CY - New York PB - Little, Brown and Co. KW - Group identity KW - Prejudices KW - Social groups KW - Social psychology N1 - Includes bibliographical references (p. 335-362) and index ER -