RT Article T1 Stability and change in self over the life course JF Life-span development and behavior VO 8 SP 191 OP 230 A1 Wells, L. E. A2 Stryker, S. LA English YR 1988 UL https://krimdok.uni-tuebingen.de/Record/163716324X K1 Lebensentwicklung K1 Persönlichkeitsforschung