RT Article T1 Self-esteem in early adolescence - the identification and prediction of contrasting longitudinal trajectories JF Journal of youth and adolescence VO 20 IS 1 SP 53 OP 72 A1 Hirsch, Barton J. A2 DuBois, David L. LA English YR 1991 UL https://krimdok.uni-tuebingen.de/Record/1640150013 K1 Heranwachsende K1 Selbstachtung