RT Book T1 The self concept and performance: studies on the self concept and rehabilitation T2 Dede Wallace Center monograph JF Dede Wallace Center monograph A1 Fitts, William H. LA English PP Nashville, Tenn. PB Counselor Recordings and Tests YR 1972 UL https://krimdok.uni-tuebingen.de/Record/1094350079 K1 Selbstverständnis : Leistung