RT Article T1 Individual, social group and intergroup behavior: some conceptual remarks on the social identity theory JF European journal of social psychology VO 17 IS 3 SP 267 OP 276 A1 Bornewasser, Manfred 1949- A2 Bober, J. LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1642100196 K1 Soziale Identität