RT Article T1 The person as co-investigator in personality research JF European journal of personality VO 5 IS 3 SP 199 OP 216 A1 Hermans, Hubert J. M. 1937- A1 Bonarius, Han 1935-2010 A2 Bonarius, Han 1935-2010 LA English YR 1991 UL https://krimdok.uni-tuebingen.de/Record/164015485X K1 Jugendliche K1 Selbstkonzept